Basic Concept Videos
MICROECONOMICS I
Budget Constraint (Ref: Varian Chapter 2)  1 
 This Video talks about what is budget constraint, if prices and income change how will budget line shift.
 How budget line looks like if one of the good is taxed, subsidised or rationed.
 How will budget line looks like in case of Food Stamp program.
 And then it ends with an example of kinked budget constraint.
 You should supplement this with some more mathematical examples.
Cobb Douglas Utility function : Demand curve /Normal Good/Substitutes or Complements/Elasticity 2 (Varian Chapter 3 &6 )

 This video answers : How to draw an Indifference curve for a cobb Douglas utility function How to find a Marshallian demand function for a Cobb Douglas utility function Are the goods :
 a) ordinary good or a giffen good.
 b) normal good or an inferior good.
 c) Gross Substitutes or Gross Complements.
 d) Engel Curve / Income Offer curve.
 e) Own price elasticity of demand/ Cross price elasticity of demand/ Income elasticity of demand
Perfect Complements Utility Demand curve /Normal Good/Elasticity/Engel Curve/ Income Offer Curve3 (Varian Ch 3 &6)
 For a recording on Cobb Douglas Utility function :
 How to draw an Indifference curve for a Perfect Complements utility function How to find a Marshallian demand function for a Perfect Complements utility function Are the goods :
 a) ordinary good or a giffen good.
 b) normal good or an inferior good.
 c) Gross Substitutes or Gross Complements.
 d) Engel Curve / Income Offer curve.
 e) Own price elasticity of demand/ Cross price elasticity of demand/ Income elasticity of demand.
Demand function for Perfect Substitutes and One Simple Application  4 
(Varian Ch 3 &6)
 a)How to draw an Indifference curve for a Perfect Substitutes utility function.
 b)How to find a Marshallian demand function for a Perfect Substitutes utility function.
Quasilinear Preferences, Income Offer curve and Engel Curve.  5 
(Varian Ch 3 &6)
 a)How to draw an Indifference curve for a Quasi Linear utility function.
 b)How to find a Marshallian demand function for a Quasi Linear utility function.
 c) How to find Engel Curve for Quasi linear Utility function.
Indifference Curves : Tangency Condition and Optimal Choice  6  (Varian Ch 4)
 This video talks about whether Tangency condition is a necessary and sufficient condition for optimal?
Corner Solutions in Indifference Curve (Part 1) :U = max{x,y}  7  (Varian Chapter 4 and 5)
 This video talks about when can we have corner solutions or boundary solutions in Indifference Curves optimum.
 Reference : Varian Chapter 4 and 5
Corner Solutions in Indifference Curve (Part 2) : U = x^2 + y^2 Concave Preferences  8  (Varian Chapter 4 and 5)
 This video talks about when can we have corner solutions or boundary solutions in Indifference Curves optimum. It gives an example of concave Preferences
 Reference : Varian Chapter 4 and 5
Corner Solutions  Indifference Curve :(Part 3)lexicographic Preferences Economic Bads Neutral 9 (Varian Chapter 4 and 5)
 This video talks about when can we have corner solutions or boundary solutions in Indifference Curves optimum. It gives an example:
 1) Lexicographic Preferences
 2) Economic Bads
 3) Neutrals
 Reference : Varian Chapter 4 and 5
Monotonicity of Preferences  Why Indifference Curves are Downward Sloping  10  (Varian Chapter 3)
 This video talks about the first property of well behaved preferences :
 1) Monotonicity of Preferences (More is better)
 2) How Monotonicity assumption is affecting the downward slope of Indifference curve?
Averages are preferred to extremes  Well Behaved Preferences 11 (Varian Chapter 3)
 This video talks about the second property of well behaved preferences :
 1) Averages are preferred to extremes
 2) People generally consume mixture of goods, instead of specializing in consumption of just one good
 Reference : Varian Chapter 3
Diminishing MRS  Numerical Examples  Test of Diminishing MRS  MRS as the ratio of MU  12 (Varian Chapter 3)
 This video talks about:
 1) What is MRS (Marginal Rate of Substitution)
 2) Diminishing MRS
 3) MRS as the ratio of Marginal Utilities
 4) Numerical Examples
 5) Test of Diminishing MRS
 Reference : Varian Chapter 3
Monotonic Transformation of a Utility Function  Meaning  Definition  Example  13  (Varian Chapter 3)
This video talks about:
 1) Meaning and Definition of Monotonic Transformation
 2) How to check whether the transformation will preserve the preference ordering
 3) Simple Proof : MRS (U) = MRS (f(U))
 Reference : Varian Chapter 3
Homethetic Preferences (Part 1)  Meaning  Definition  Simple Proof  14  (Varian Chapter 3 & 6)
This video talks about:
 1) Meaning and Definition of Homothetic Preferences
 2) Simple Proof of Homothetic Preferences
 Reference : Varian Chapter 3, 6
Homethetic Preferences (Part 2)All Homogenous are HomotheticNot all Homothetic are Homogenous15 (Varian Chapter 3 & 6)
This video talks about:
 1) Meaning and Definition of Homothetic Preferences.
 2) All Homogenous are Homothetic Preferences.
 3) Not all Homothetic are Homogenous
 Reference : Varian Chapter 3, 6
Homothetic functions(Part 3) Income expansion Path  Elasticity Constant MRS along a ray 16 (Varian Chapter 3 & 6)
This video talks about:
 1) Properties of Homogenous Utility functions (Homothetic Preferences).
 2) MRS is constant along a ray from origin.
 3) Demand function is linearly dependent upon income.
 4) Income elasticity of demand is 1.
 5) Income expansion path is a ray from origin
 Reference : Varian Chapter 3, 6
Weak Axiom of Revealed Preference  Meaning  Example  17  (Varian Chapter 7)
This video talks about:
 1) Meaning of Revealed Preference.
 2) Weak Axiom of Revealed Preference.
 3) Example of WARP
 Reference : Varian Chapter 7
Weak Axiom of Revealed Preference (Part 2)  Violation of WARP  18  (Varian Chapter 7)
This video talks about:
 1) Meaning of Direct and Indirect Revealed Preference.
 2) Formal Definition of Weak Axiom of Revealed Preference.
 3) Example of Violation of WARP
 Reference : Varian Chapter 7
Weak Axiom of Revealed Preference (Part 3)  Violation of WARP Numerical Example  19  (Varian Chapter 7)
 This video talks about:
 Calculation of whether Weak Axiom of Revealed Preference is satisfied or not
 Reference : Varian Chapter 7
Revealed Preference (Part 4)  Strong Axiom of Revealed Preference  Meaning  Numerical  20  (Varian Chapter 7)
This video talks about:
 Calculation of whether Strong Axiom of Revealed Preference is satisfied or not
 Reference : Varian Chapter 7
Substitution Effect and Income Effect  Meaning  Diagram  Simple Numerical  Example  21 
This video talks about Substitution Effect and Income Effect:
 1) Diagrammatic representation of Substitution and Income effects.
 2) Numerical Example showing the calculation of Substitution effect and Income effect.
Sign of Substitution Effect  Revealed Preference Argument  22 
This video talks about Substitution Effect and Income Effect (REFERENCE : Varian Ch 8):
 1) Non Positive Nature of Substitution Effect.
 2) Using Revealed Preference Argument to show that substitution effect is negative.
Hicksian Substitution Effect Non Positive Nature of Hicksian Substitution Effect  23 
This video talks about Substitution Effect and Income Effect (REFERENCE : Varian Ch 8):
 1) Meaning of Hicksian Substitution Effect.
 2) Non Positive Nature of Hicksian Substitution Effect
Slutsky Identity  Slutsky Equation  Normal goods  Inferior Goods  Giffen Goods 24 
This video talks about Slutsky Identity  Slutsky Equation  (REFERENCE : Varian Ch 8):
 1) Meaning of Slutsky Identity
 2) Normal goods , Giffen goods and Normal goods in terms of Slutsky Identity
Substitution effect & Income Effect  Perfect Complements  Perfect Substitutes  Quasilinear  25 
This video talks about:
 1) Examples of Substitution effect & Income Effect.
 2) Perfect Complements  Perfect Substitutes  Quasilinear Preferences 
 (REFERENCE : Varian Ch 8)
Intertemporal Choice  Budget Constraint  Present Value Form and Future Value Form  26 
This video talks about:
 1) Meaning of Intertemporal Choice.
 2) How to derive Budget Constraint for Intertemporal Choice in Present Value and in future value form.
 (REFERENCE : Varian Ch 10)
Intertemporal Choice  When Lender remains a lender  When Borrower remains a borrower 27 
This video talks about:
 1) Initially a lender, remains a lender when rate of interest rises.
 2) initially a borrower, remains a borrower when rate of interest falls.
 (REFERENCE : Varian Ch 10)
Intertemporal Choice and Slutsky Equation  28 
This video talks about:
 1) How to interpret Slutsky Equation in the context of Intertemporal Choice.
 2) If a borrower choses to remain a borrower, when interest rate rises, he will be worse off.
 (REFERENCE : Varian Ch 10)
Index numbers  Revealed Preference  Lasperyers and Paasche Quantity Index  29 
This video talks about:
 1) How to interpret Index Numbers in the context of Revealed Preference Argument.
 2) Laspeyres Quantity Index and Paasche Quantity Index, and using them in Revealed Preference argument.
 (REFERENCE : Varian Ch 7)
Index numbers  Revealed Preference  Lasperyers and Paasche Price Index  30 
This video talks about:
 1) How to interpret Index Numbers in the context of Revealed Preference Argument.
 2) Laspeyres Price Index and Paasche Price Index, and using them in Revealed Preference argument.
 (REFERENCE : Varian Ch 7)
Intertemporal Choice  Kinked Budget Constraint  Numerical Example  31 
This video talks about:
 1) Simple Numerical of Intertemporal Choice.
 2) If Borrowing or lending rates are different the how to chose consumption over time.
 (REFERENCE : Varian Ch 10)
Work Leisure Choice (Part 1)  Budget Constraint  Labour Supply  Numerical Example  32 
This video talks about:
 1) Simple model of Labour supply, i.e. work leisure choice.
 2) Simple numerical relating to the above concept.
 (REFERENCE : Varian Ch 9)
Work Leisure Choice Part 1  Budget Constraint  Labour Supply  Numerical Example  32  HINDI 
This video talks about:
 1) Simple model of Labour supply, i.e. work leisure choice.
 2) Simple numerical relating to the above concept.
 (REFERENCE : Varian Ch 9)
Backward Bending Supply Curve of Labour  Work Leisure Choice (Part II)   33 
This video talks about:
 1) Backward Bending Supply Curve of Labour.
 2) Simple numerical relating to the above concept.
 (REFERENCE : Varian Ch 9)
Overtime Wages and Pure Substitution Effect  Work Leisure Choice (Part 3)  34 
This video talks about:
 1) How labour choice is going to work, if only overtime wages are increased and not just a simple straight increase in wages.
 2) In this case, overtime wages will just have a pure substitution effect.
 (REFERENCE : Varian Ch 9)
Choice Under Uncertainty  Part 1  Meaning of Expected Value and Expected Utility
 35 
This video talks about:
 1) What is the meaning of Expected Value and Expected Utility?
 2. When will the consumer prefer a certain income over a gamble?
 (REFERENCE : Varian Ch 12)
Choice Under Uncertainty  Part 2  Risk Averse Individual and Fair Bet  36 
This video talks about:
 1) What is the meaning of Risk Averse Individual?
 2. What is the meaning of Fair Bet?
 (REFERENCE : Varian Ch 12)
Choice Under Uncertainty  Part 3  Risk Averse  Risk Premium  Certainty Equivalence  37 
This video talks about:
 1) Who is a Risk Averse Individual?
 2. What is the meaning of Certainty Equivalence?
 How to calculate Risk Premium?
 Numerical Example
 (REFERENCE : Varian Ch 12)
Choice Under Uncertainty  Part 4  Demand of Insurance  Actuarially Fair Insurance Premium  38 
This video talks about:
 1) How to calculate Demand for Insurance?
 2) What is an Actuarially Fair insurance Premium?
 3) Numerical Example
 (REFERENCE : Varian Ch 12)
Production Theory Basics  Part 1  Production Function  Isoquant  MRTS  39 
This video talks about:
 1) Basics of Theory Production
 2) Meaning of Production Function
 3) Meaning of an Isoquant
 4) Meaning of Diminishing Marginal Productivity
 5) Meaning of MRTS (Marginal Rate of Technical Substitution)
 (REFERENCE : Nicholson and Snyder Chapter 9)
Production Theory Basics  Part 2  Relation Between Diminishing MU and Diminishing MRTS  40 
This video talks about:
 1) Basics of Theory Production
 2) Relation between Diminishing MU and Diminishing MRTS
 3) Diminishing MU may not necessarily imply diminishing MRTS
 (REFERENCE : Nicholson and Snyder Chapter 9)
Production Theory Basics  Part 3  Return to Scale  CRS  IRS  DRS  41 
This video talks about:
 1) Basics of Theory Production
 2) Returns to Scale
 3) Constant Returns to Scale
 4) Increasing Returns to Scale
 5) Decreasing Returns to Scale
 (REFERENCE : Nicholson and Snyder Chapter 9)
Production Theory Basics  Elasticity of Substitution  High & Low Elasticity of Substitution  42
This video talks about:
 1) Basics of Theory Production
 2) Elasticity of Substitution
 3) High & Low elasticity of substitution
 (REFERENCE : Nicholson and Snyder Chapter 9)
Example of Elasticity of Substitution  Cobb Douglas  Perfect Compliment  Perfect Substitutes  43
This video talks about:
 1) Basics of Production Theory
 2) Elasticity of Substitution
 3) Examples of Elasticity of Substitution
 4) Cobb Douglas  Perfect Complement  Perfect Substitutes 
 (REFERENCE : Nicholson and Snyder Chapter 9)
Production Theory Basics  Part 6  Technical Progress using the Production function concept  44 
This video talks about:
 1) Basics of Production Theory
 2) Technical Progress using the production function concept
 3) Growth Accounting Equation
 (REFERENCE : Nicholson and Snyder Chapter 9)
Production Theory Basics  Part 7  Numerical Examples From Production Theory  45 
This video talks about:
 1) Basics of Production Theory
 2) Numerical Examples from Production Theory
 3) Numerical on Returns to Scale  Convexity of an Isoquant  Growth accounting
 (REFERENCE : Nicholson and Snyder Chapter 9)
[Cost Theory Basics] Meaning Of Cost Minimisation  Tangency Between Isocost Line and Isoquant  46 
This video talks about:
 1) Basics of Cost Theory
 2) Meaning of Cost Minimisation
 3) Tangency between Isocost Line and Isoquant
 (REFERENCE : Varian, Ch 18)
Derivation Of Cost Function From Production Function  Cobb Douglas  Perfect Complements 47 
This video talks about:
 1) Basics of Cost Theory
 2) Examples of Cost Minimisation
 3) Derivation of cost function from the associated production function Cobb Douglas  Perfect Complements
 (REFERENCE : Varian, Ch 19)
MICROECONOMICS II
Basics of Edgeworth Box Diagram  Net Buyer  Net Seller  Feasible Allocation  1 
This video talks about:
 1) Basics of Edgeworth box Diagram?
 2) Net Buyer, Net Seller and Feasible Allocation.
 (REFERENCE : Varian Ch 31)
Meaning of Pareto Efficient Allocation 2
This video talks about:
 1) Meaning of Pareto Efficient Allocation?
 (REFERENCE : Varian Ch 31)
Examples of Pareto Efficiency  Numerical  Cobb Douglas Cobb Douglas  Cobb Douglas – Min  3 
This video talks about Numerical Example of Pareto Efficient Allocation for U1=xy. and U2 = xy U1= min (x,y) and U2 = xy
 (REFERENCE : Varian Ch 31)
Competitive Equilibrium Condition MRS 1 = MRS 2 = Price Ratio  4 
This video talks about:
 1) Competitive Equilibrium Condition MRS 1 = MRS 2 =Px/Py
 (REFERENCE : Varian Ch 31)
[Microeconomics II] Walras Law  Value of Aggregate excess demand vector is zero at all prices  5 
This video talks about Walras Law: The value of aggregate excess demand vector is zero at all prices.
 (REFERENCE : Varian Ch 31)
[Microeconomics II ] Walras Law  Another Proof  6 
This video talks about Walras Law: The value of aggregate excess demand vector is zero at all prices.
[Microeconomics II] Numerical  Competitive Equilbrium Price and Allocation  7 
This video talks about:
 1) How to find competitive equilibrium allocation and price.
 2) Examples : U1 = xy and U2= xy U1 = xy and U2= min{x,y}
[Microeconomics II] First Welfare Theorem  Proof  All Market Equilibrium are Pareto efficient 8
This video talks about:
 1) First Welfare Theorem  Proof 
 2) All Market Equilibrium are Pareto efficient.
[Microeconomics II] First Welfare Theorem  Simple Monopoly Case  9 
This video talks about:
 1) How a simple monopoly case leads to Non fulfilment of First Welfare Theorem.
 2) Monopoly Market Equilibrium is not Pareto efficient.
[Microeconomics II] First Welfare Theorem  Part 3  Perfectly Discriminating Monopolist  10 
This video talks about:
 1) How a Perfectly discriminating monopoly case leads to fulfilment of First Welfare Theorem.
 2) Discriminating Monopoly Market Equilibrium is Pareto efficient.
[Microeconomics II] Second Welfare Theorem  Convex Preferences  Non Convex Preferences  11 
This video talks about:
 1) Second Welfare Theorem.
 2) And its application to Convex Preferences and Non Convex Preferences.
[Microeconomics II] Welfare Economics  Aggregation of Preferences  Majority Voting Method  12 
This video talks about:
 1) Aggregation of Preferences 
 2) One of the way to aggregate preferences is the Majority Voting Method.
[Microeconomics II] Welfare Economics  Rank Order Voting  Condorcet Paradox  Borda Count  13 
This video talks about:
 1) Aggregation of Preferences through Rank Order Voting Method.
 2) Condorcet Paradox  Borda Count 
 3) Meaning of independent of Irrelevant Alternatives.
[Microeconomics II] Welfare Economics  Arrow Impossibility Theorem  Meaning  Part 1  14 
This video talks about:
 1) Meaning of Arrow Impossibility Theorem . We have discussed the first two desirable properties of SWF in this part, will discuss the remaining in the next part.
 2) Unrestricted Domain.
 3) Pareto Principle.
[Microeconomics II] Welfare Economics  Arrow Impossibility Theorem  Part 2  15 
This video talks about:
 1) Meaning of Arrow Impossibility Theorem . We have discussed the first two desirable properties of SWF in this part, will discuss the remaining in the next part.
 2) Independence of Irrelevant Alternatives.
 3) Unrestricted Domain.
[Microeconomics II]  Types of Social Welfare Functions  Benthamite  Rawlasian  Nietzsian 16 
This video talks about:
 1) Types of Social Welfare Functions.
 2) Benthamite, Rawlasian, Nietzsian SWF.
[Microeconomics II]Maximization of Welfare  Utility Possibility Frontier  Iso Welfare curves 17
This video talks about:
 1) Maximization of Welfare.
 2) Utility Possibility Frontier and Iso Welfare curves.
 3) SW Maximizing allocation must be Pareto optimal.
[Game Theory Introduction] Dominant Strategy Equilibrium  Meaning Of Nash
Equilibrium  19 
 This video talks about:
 1) Basic of Game Theory.
 2) Dominant Strategy Equilibrium.
 3) Meaning of Nash Equilibrium.
 Reference : Varian
[Game Theory Basics] Is Nash Equilibrium Unique and Pareto optimal?Will it always exist?  20 
 This video talks about:
 1. Basics of Game Theory
 2. Is Nash Equilibrium Unique ?
 3. Is Nash equilibrium always Pareto optimal
 4. Will Nash Equilibrium always exist?
[Game Theory Basics] Mixed Strategy Nash Equilibrium Example  Best Response Function  21 
 This video talks about:
 1. Basics of Game Theory
 2. How to find Mixed Strategy Nash Equilibrium
 3. Best Response functions of Mixed Strategy Nash Equilibrium
 4. Pure Strategy Nash Equilibrium
 Reference : Varian
[Game Theory Introduction]  Sequential Form Games  Battle of Sexes  Non Credible Threat  22 
 This video talks about:
 1. Basic of Game Theory.
 2. Forming of Game Tree of extensive form game.
 3. Battle of Sexes.
 4. Solving a Game using Backward induction.
 5. NonCredible Threat.
 Reference : Varian
[Game Theory Basics]  Subgame Perfect Nash Equilibrium Example  Wrting Strategies Players  23 
 This video talks about:
 1. Basics of Game Theory.
 2. Meaning of Subgame Perfect Nash Equilibrium.
 3. Example of Subgame Perfect Nash Equilibrium.
 4. Solving a Game using Backward induction.
 5. Wrting Strategies of Players.
 Reference : Varian
ECONOMETRICS
[Econometrics] Population Regression Line  Meaning  Stochastic PRF  Non Stochastic PRF  1 
This video talks about:
 1) What is Population Regression Line?
 2) What is Stochastic PRF and Non Stochastic PRF?
 (REFERENCE : Gujarati, Chapter 2)
[Econometrics] Sample Regression Function  Nature of Stochastic Error Term  2 
This video talks about:
 1) What is Sample Regression Function?
 2) What is Stochastic PRF and Non Stochastic PRF?
 (REFERENCE : Gujarati, Chapter 2)
[Econometrics] Linear in Parameters  Method of OLS  Estimation Intercept and Slope terms  3 
This video talks about
 What is Linearity in Parameters?
 Estimation of OLS Estimators in a Simple Linear Regression model.
 (REFERENCE : Gujarati, Chapter 2)
[Econometrics] Properties of Regression Line  4 
This video talks about Six properties of a regression line. (REFERENCE : Gujarati, Chapter 2).
[Econometrics Assumptions of CLRM  Classical Linear Regression Model  5 
This video talks about The assumptions of Classical Linear Regression Model. (REFERENCE : Gujarati, Chapter 3).
[Econometrics] Unbiasedness of Slope Estimator  Simple Proof  6 
This video talks about Unbiasedness of Slope estimator beta 2 hat. (REFERENCE : Dougherty, Chapter 2).
[Econometrics] Variance of Regression Coefficients  Slope estimator  beta two hat
 7 
This video talks about VARIANCE of Slope estimator beta 2 hat. (REFERENCE : Dougherty, Chapter 2)
[Econometrics] Gauss Markov Theorem  PART 1  Unbiasedness  Variance of beta 2
hat   8 
This video talks about Gauss Markov Theorem (Part 1) (REFERENCE : Gujarati, Chapter 2/3)
[Econometrics] Coefficient of Determination r2  TSS = ESS + RSS  10 
This video talks about:
 1) Coefficient of Determination, r2
 2) TSS = ESS + RSS (REFERENCE : Gujarati, Chapter 3)
[Econometrics] Gauss Markov Theorem  Part 2  Proof  Minimum Variance   9 
This video talks about Gauss Markov Theorem (Part 2) (REFERENCE : Gujarati, Chapter 2/3)
[Econometrics] Regression through Origin  Without Intercept Model  11 
This video talks about:
 1) Regression through Origin (Without Intercept Model).
 2) Comparison of Without Intercept model with “with” intercept (conventional) model.
 (REFERENCE : Gujarati, Chapter 6)
[Econometrics] Scaling and Units of Measurement  12 
This video talks about:
 1) Scaling and Units of Measurement.
 2) Yi* = b1 + b2Xi* + ui*, where Yi* = w1Yi and Xi* = w2Xi
 (REFERENCE : Gujarati, Chapter 6)