These are few demo videos which we have created. They are helpful to you if you are preparing for Indian Economic Services (IES), IAS Economics Optional or UGC NET Economics. They will be even more helpful, if you make notes while reading the text alongside.
Intermediate Microeconomic Theory I
Here we have provided set of demo videos for Intermediate Micro 1 course. Topics such as Consumer Theory and Producer Theory is completed in this series. These videos are arranged in the order in which they should be done. Pick up your pen and register, and start writing them out. Nothing is difficult, anything could be learned, put your effort in this and start making notes.

Cobb Douglas Utility function : Demand curve /Normal Good/Substitutes or Complements/Elasticity 2

Perfect Complements Utility Demand curve /Normal Good/Elasticity/Engel Curve/ Income Offer Curve3

Demand function for Perfect Substitutes and One Simple Application  4 

Quasilinear Preferences, Income Offer curve and Engel Curve.  5 

Indifference Curves : Tangency Condition and Optimal Choice  6 

Corner Solutions in Indifference Curve (Part 1) :U = max{x,y}  7 

Corner Solutions in Indifference Curve (Part 2) : U = x^2 + y^2 Concave Preferences  8 

Corner SolutionsIndifference Curve :(Part 3)lexicographic Preferences Economic Bads Neutral 9

Monotonicity of Preferences  Why Indifference Curves are Downward Sloping  10 

Averages are preferred to extremes  Well Behaved Preferences 11

Diminishing MRS  Numerical Examples  Test of Diminishing MRS  MRS as the ratio of MU  12

Monotonic Transformation of a Utility Function  Meaning  Definition  Example  13 

Homethetic Preferences (Part 1)  Meaning  Definition  Simple Proof  14 

Homethetic Preferences (Part 2)All Homogenous are HomotheticNot all Homothetic are Homogenous15

Homothetic functions(Part 3) Income expansion Path  Elasticity Constant MRS along a ray 16

Weak Axiom of Revealed Preference  Meaning  Example  17 

Weak Axiom of Revealed Preference (Part 2)  Violation of WARP  18 

Weak Axiom of Revealed Preference (Part 3)  Violation of WARP Numerical Example  19 

Revealed Preference (Part 4)  Strong Axiom of Revealed Preference  Meaning  Numerical  20 

Substitution Effect and Income Effect Meaning  Diagram  Simple Numerical Example  21 

Sign of Substitution Effect  Revealed Preference Argument  22 

Hicksian Substitution Effect Non Positive Nature of Hicksian Substitution Effect  23 

Slutsky Identity  Slutsky Equation  Normal goods  Inferior Goods  Giffen Goods 24 

Substitution effect & Income Effect  Perfect Complements  Perfect Substitutes  Quasilinear  25 

Intertemporal Choice  Budget Constraint  Present Value Form and Future Value Form  26 

Intertemporal Choice  When Lender remains a lender  When Borrower remains a borrower 27 

Intertemporal Choice and Slutsky Equation  28 

Index numbers  Revealed Preference  Lasperyers and Paasche Quantity Index  29 

Index numbers  Revealed Preference  Lasperyers and Paasche Price Index  30 

Intertemporal Choice  Kinked Budget Constraint  Numerical Example  31 

Work Leisure Choice (Part 1)  Budget Constraint  Labour Supply  Numerical Example  32 

Work Leisure Choice Part 1  Budget Constraint  Labour Supply  Numerical Example  32  HINDI 

Backward Bending Supply Curve of Labour  Work Leisure Choice (Part II)   33 

Overtime Wages and Pure Substitution Effect  Work Leisure Choice (Part 3)  34 

Choice Under Uncertainty  Part 1  Meaning of Expected Value and Expected Utility  35 

Choice Under Uncertainty  Part 2  Risk Averse Individual and Fair Bet  36 

[Choice Under Uncertainty]  Part 3  Risk Aversion  Risk Premium  Certainty Equivalence  37 

[Choice Under Uncertainty] Part 4  Demand for Insurance  Actuarially Fair Insurance Premium  38 

Production Theory Basics  Part 1  Production Function  Isoquant  MRTS  39 

[Production Theory Basics]  Part 2  Relation between Diminishing MU and Diminishing MRTS  40 

[Production Theory Basics]  Part 3  Returns to Scale  CRS  IRS  DRS 

[Production Theory Basics] Elasticity of Substitution  High & Low elasticity of substitution  42 

Examples of Elasticity of Substitution  Cobb Douglas  Perfect Complement  Perfect Substitutes43

[Production Theory Basics] [Part 6] Technical Progress using the production function concept  44 

[Production Theory Basics] Part 7  Numerical Examples from Production Theory  45 

[Cost Theory Basics] Meaning of Cost Minimisation  Tangency between Isocost Line and Isoquant 46

Derivation of Cost function from production function  Cobb Douglas  Perfect Complements 47

[Cost Theory Basics] [Part 3 ] Conditional Input Demand Function Responses Comparative Statics48

[Cost Theory Basics] [Part 4] Short run and Long Run Costs  Cobb Douglas Production function  49 

[Cost Theory Basics] [Part 5] Relation between AC and MC  Interpretation  Numerical Example  50 
Intermediate Microeconomic Theory II
Here we have provided set of demo videos for Intermediate Micro 1 course. Topics such as General Equilibrium Theory and Welfare Economics, Markets and Game Theory.

Basics of Edgeworth Box Diagram  Net Buyer  Net Seller  Feasible Allocation  1 

Meaning of Pareto Efficient Allocation 2

Examples of Pareto Efficiency  Numerical  Cobb Douglas Cobb Douglas  Cobb Douglas  Min  3 

Competitive Equilibrium Condition MRS 1 = MRS 2 = Price Ratio  4 

[Microeconomics II] Walras Law  Value of Aggregate excess demand vector is zero at all prices  5 

[Microeconomics II] Numerical  Competitive Equilbrium Price and Allocation  7 

[Microeconomics II ] Walras Law  Another Proof  6 

[Microeconomics II] First Welfare Theorem  Proof  All Market Equilibrium are Pareto efficient 8

[Microeconomics II] First Welfare Theorem  Simple Monopoly Case  9 

[Microeconomics II] First Welfare Theorem  Part 3  Perfectly Discriminating Monopolist  10 

[Microeconomics II] Second Welfare Theorem  Convex Preferences  Non Convex Preferences  11 

[Microeconomics II] Welfare Economics  Aggregation of Preferences  Majority Voting Method  12 

[Microeconomics II] Welfare Economics  Rank Order Voting  Condorcet Paradox  Borda Count  13 

[Microeconomics II] Welfare Economics  Arrow Impossibility Theorem  Meaning  Part 1  14 

[Microeconomics II] Welfare Economics  Arrow Impossibility Theorem  Part 2  15 

[Microeconomics II]  Types of Social Welfare Functions  Benthamite  Rawlasian  Nietzsian 16 

[Microeconomics II]Maximization of Welfare  Utility Possibility Frontier  Iso Welfare curves 17

[Microeconomics II]  Any Pareto Optimal Allocation must be Welfare Maximizing for some SWF  18 

[Game Theory Introduction]  Dominant Strategy Equilibrium  Meaning of Nash Equilibrium  19 

[Basics Of Game Theory]  Is Nash Equilibrium Unique and Pareto optimal  Will it always exist 20

[Game Theory Basics] Mixed Strategy Nash Equilibrium Example  Best Response Functions  21

[Game Theory Basics] Sequential Form Games  Battle of Sexes  Non Credible Threat  22 

[Game Theory Basics] Subgame Perfect Nash Equilibrium Example  Wrting Strategies of Players  23 

Perfect Competition  Part 1 Features  Demand Curve of a Firm in Perfect Competition  24 

Market Structures Basics  Part 2  Perfect Competition  Profit Maximizing Condition P= MC  25 

Market Structures Basics  Part 3  P= MC is not a sufficient condition  Shut Down Point  26 

Market Structures  Part 4  Perfect Competition Producer Surplus = Profits plus Fixed Costs  27 

Market Structures  Part 5  Perfect Competition Numericals Supply Function  Producer Surplus28

Market Structures Basics  Part 6  Marginal Revenue and Elasticity  Perfect Competition  29 

Market Structures  Part 7 Profit Maximization  Example  Cobb Douglas Production Function  30 

Market Structures  Part 8  Short Run Profit Maximization Value of Marginal Product = wage 31 

Market Structures  Part 9  Isoprofit Lines and VMP=W condition  Comparative Statics  32 

Market Structures  Monopoly  Part 1  Meaning of a Monopoly and Barriers to Entry  33 

Monopoly  Part 2 Monopoly Profit Max  Monopolist will never operate at inelastic portion  34 

Market Structures Basics  Monopoly  Part 3  Meaning and Derivation of Lerner's Index  35 

Market Structures  Monopoly  Part 4 Deadweight loss of Monopoly  Inefficiency of a Monopoly 36

Market Structures  Monopoly  Part 5  Monopoly and Product Quality  37

Monopoly  Part 6  First Degree (Perfect) Price Discrimination  No Deadweight loss  38 

Monopoly  Part 7  Third Degree Price Discrimination  Meaning  Mathematical Condition  39

Monopoly  Part 8  Calculating Third Degree Price Discrimination  Uniform Pricing 40 

Monopoly  Part 9  Natural Monopoly  Meaning  Features  Diagram  41 

[Market Structures] Oligopoly  Part 1  Bertrand Equilibrium  Proof of Bertrand Nash P=MC  42 

Oligopoly Market Structures  Part 2  Bertrand Paradox  Avoid Bertrand Paradox  43 

Oligopoly Part 3  Market Structures  Cournot Equilibrium  Numerical  Efficiency  44 

[Market Structures] Oligopoly  Part 4  Bertrand vs Cournot Comparison. 45 

[Oligopoly Market Structures]  Part 5  Capacity Constraints under Bertrand Competition  46 

[Oligopoly Market Structures]  Part 6  Bertrand Competition with Differentiated Products  46 

[Oligopoly Market Structures]  Part 7  Tacit Collusion  Finitely Repeated Game  48 

[Oligopoly Market Structures ]( Part 8)  Tacit Collusion  Infinitely Repeated Game  49 

Asymmetric Information  Examples  Meaning  Part 1  50 
International Trade Theories

International Trade  Law of Absolute Advantage  Meaning  Gains from Trade  1 

[International Trade] Law of Comparative Advantage  Meaning  Gains from Trade  2 

[International Trade] Ricardian Model Part 1 Production Possibility Frontier in Home & Foreign 3

[International Trade] Ricardian Model  Part 2  Autarky and Free Trade Equilibrium Price  4 

[International Trade] Ricardian Model  Part 3 Relative Supply and Demand Curves in Autarky  5 

[International Trade] Ricardian Model Part 4  World Relative Supply and Demand under Free Trade6

[International Trade] Ricardian Model  Part 5  Numerical Question  World Relative Supply  7 

International Trade [Ricardian Model]Part 6 Numerical Comparative Advantage Gains from Trade8

[International Trade] Ricardian Model  Part 7  Relative Wages  9 

[International Trade]Ricardian Model  Part 8  Equilibrium Relative Prices 10

[International Trade]Specific Factors Model  Part 1   Meaning  Assumptions  11 

[International Trade] Specific Factors Model  Part 2  Production Possibilities Frontier  12 

[International Trade] Specific Factors Model  Part 3  Prices, wages and Labour Allocation  13 

Specific Factors Model Part 4 Impact on Income Distribution due to change in Relative Prices 14

[International Trade]Specific Factors Model  Part 5  Trade in Specific Factors Model  15 

[International Trade] Specific Factors Model  Part 6  Income Distribution and Gains from Trade16

[International Trade] Specific Factors Model  Part 7  International labour Mobility  17 

[International Trade] Heckscher Ohlin Model  Part 1 Meaning &Comparison with Ricardian Model 18 

StolperSamuelson Theorem and Magnification Effect of Prices Meaning and Intuition  HO Model 19

[International Trade] HeckscherOhlin Model(Part 3) Meaning of Factor Price Equalisation Theorem20

[International Trade] HeckscherOhlin Model  Part 4  Assumptions of HO Theorem and Kinked PPC 21

HeckscherOhlin Model  Part 5  PPF  Isovalue line  Factor Intensity  Relative Abundance  22 

HO Model  Part 6  Relation between Input price & commodity price  Rybczynski Effect  23 

Heckscher Ohlin Model  Part 7  Statement of HO Theorem  Convergence of Relative Prices  24 

[International Trade] HO Theorem  Part 8  Meaning of Factor Price Equalisation Theorem  25 

[International Trade] HO Theorem  Part 9  Meaning of Rybczynski Theorem  26 

[International Trade] HO Theorem (Part 10)  Leontief Paradox  Factor Intensity Reversal  27 

Standard Trade Model  Part 1  Relative Price, Relative Supply, Relative Demand  28 

Standard Trade Model Part 2Terms of Trade StronglyMildly BiasedExportImport Biased Growth 29

International Trade  Standard Trade Model [Part 3] Immiserizing Growth  Meaning  30 

Standard Trade Model  Part 4  Import Tariff  Export Subsidy  Terms of Trade  31 

Standard Trade Model  Part 5  Implication of Terms of Trade due to Import Tariff  32 

Standard Trade Model  Part 6  Implication of Terms of Trade Effects due to Export Subsidy  33 

[International Trade] Instruments of Trade Policy  Import Quota  34 

[International Trade] External Economies of Scale  Sources  Market Equilibrium  35 

External Economies of Scale  International Trade  Pattern of Trade  Historical Contingency  36 

[International Trade]When Trade based on External economies is not necessarily welfare improving37

External Economies of Scale Dynamic Increasing Returns  Learning Curve  Infant Industry Arg 38

[International Trade] Internal Economies of Scale  Market Equilibrium  CC Curve  PP Curve  39

Internal Economies of Scale  Trade in Monopolistic Competition  Increase in Market Size  40 

Internal Economies of Scale  Firm Responses to Trade  Trade affecting Industry Performance  41 

Internal Economies of Scale  Effects of Increase in Market Size Gainers and Losers  42 

Internal Economies of Scale  Trade Costs and Export Decisions by Firms  43 
Introductory Econometrics and Statistics

[Econometrics] Population Regression Line  Meaning  Stochastic PRF  Non Stochastic PRF  1 

[Econometrics] Sample Regression Function  Nature of Stochastic Error Term  2 

[Econometrics] Linear in Parameters  Method of OLS  Estimation Intercept and Slope terms  3 

[Econometrics] Properties of Regression Line  4 

[Econometrics Assumptions of CLRM  Classical Linear Regression Model  5 

[Econometrics] Unbiasedness of Slope Estimator  Simple Proof  6 

[Econometrics] Variance of Regression Coefficients  Slope estimator  beta two hat  7 

[Econometrics] Gauss Markov Theorem  PART 1  Unbiasedness  Variance of beta 2 hat   8 

[Econometrics] Gauss Markov Theorem  Part 2  Proof  Minimum Variance   9 

[Econometrics] Coefficient of Determination r2  TSS = ESS + RSS  10 

[Econometrics] Regression through Origin  Without Intercept Model  11 

[Econometrics] Scaling and Units of Measurement  12 

Introductory Econometrics  Functional Forms  Log Lin Model  Meaning and Interpretation 13 

Introductory Econometrics  Functional Forms  Log Lin Model How to calculate growth rates  14 

Introductory Econometrics  Functional Forms  Lin Log Model  Meaning and Interpretation  15 

Introductory Econometrics and Statistics  Random Variable  Bernoulli Random Variable  16 

Econometrics & Statistics  Discrete Random Variable & Probability distribution function  17 

Econometrics and Statistics  Cumulative Distribution Function  Example  18 

Econometrics and Statistics  Continuous Random Variable  Probability Distribution Function 19

Econometrics and Statistics  Mathematical Expectation of a discrete random variable  Examples20

Econometrics and Statistics  Variance of a discrete random variable  Bernoulli rv  21 

Econometrics and Statistics  Questions on Variance of discrete rv  Change of origin and scale 22

Introductory Econometrics and Statistics  Continuous Probability Density functions  Examples  23

Cumulative Density function of a Continuous Random Variable  Examples  24 

Econometrics and Statistics  Expectation of a continuous random variable  Examples  25 

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Joint Probability Distribution  Discrete random variable  Definition  Example  26 

Joint Probability Distribution & Joint Cumulative Distribution Function  Discrete rv  27 

Joint Probability Density Function of a continuous random variable  Definition  Example  28 

Marginal Distribution Function  Marginal Density Function  29 

Introductory Econometrics and Statistics  Conditional Distribution  Definition  Example  30 

Introductory Econometrics and Statistics  Moments about Origin and Arbitrary Point  31 

Moments about Mean  Central Moments  Meaning , Definition and Basic Properties  32 

Introductory Econometrics and Statistics  Properties of Moments about mean and origin  Part 2 

Introductory Econometrics and Statistics  Numerical on Moments about mean and origin  34 

Skewness  Meaning and Types  Formula  Positively Skewed  Negatively Skewed  35 

Measures of Skewness  Karl Pearson's measure of Skewness  Bowley's measure of Skewness  36 

Kurtosis  Meaning  Types  Mesokurtic  Leptokurtic  Platykurtic  37 

Binomial Distribution  Mean and Variance  Meaning  Difference from Bernoulli distribution  38 

Multinomial Distribution  Meaning  Example  39 

Negative Binomial Distribution  Meaning  Example  40 

Geometric Distribution  Meaning  Example  41 

Poisson Distribution  Meaning  Examples 42 

Normal Distribution  Meaning  Characteristics  Part 1  43 

Normal Distribution  Simple Example  Part 2  44 

Standard Normal Distribution  Meaning  Table  Example  Part 3 

Student tdistribution  Meaning  Difference from Normal Distribution  46 