Peter J Wilcoxen

Economic Skills Project

These materials are aimed at building specific skills that are used in economic analysis. They are under development and new modules will be added over time.  If this is your first visit, a good place to start is topic TD-101 under "Tools": it provides instructions. Also, please note that for these are exercises: they assume you're familiar with certain key concepts covered in a textbook or class. 


TD Documentation 
TD-101 Instructions 


MD Demand 
MD-101 Deriving demand from willingness to pay 
MD-151 Deriving a market demand curve with heterogeneous buyers 
MD-201 Computing a demand elasticity from an equation 
MD-255 Computing a change in consumer surplus 
MS Supply 
MS-101 Deriving supply from willingness to accept 
MS-151 Deriving a market supply curve with heterogeneous sellers 
MS-255 Computing a change in producer surplus 
ME Equilibrium 
ME-101 Finding a market equilibrium  
ME-221 Computing social surplus at a market equilibrium  
MT Taxes 
MT-101 Computing an equilibrium quantity with a tax  
MY Subsidies 
MY-101 Computing an equilibrium quantity with a subsidy  
MX Cross Subsidies 
MX-101 Computing the outcome from removing a cross subsidy  
MX-201 Removing a cross subsidy that is creating a deficit  
MC Price Controls 
MC-102 Minimum wage using algebraic equations  
MC-201 Rent control using elasticities  


CD Demand 
CD-101 Deriving demand curves for perfect complements preferences 
CW Welfare 
CW-150 Deriving expenditure functions 
CW-151 Deriving a Cobb-Douglas expenditure function 
CW-152 Deriving a Stone-Geary expenditure function 
CW-200 Computing compensating variations 
CW-201 Compensating variation for a tax 
CW-202 Compensating variation for a multipart policy 
CW-250 Income and substitution effects 
CW-251 Income and substitution effects for Cobb-Douglas preferences 
CW-252 Income and substitution effects for Stone-Geary preferences 
CI Intertemporal Choice 
CI-100 Saving and borrowing over two periods 
CI-101 Saving by an individual with perfect complements preferences 
CI-102 Borrowing by an individual with Cobb-Douglas preferences 
CI-150 Human capital 
CI-151 Choosing a training program 
CN Choice under Uncertainty 
CN-201 A single choice between certain and uncertain outcomes 
CN-205 Choosing whether to buy information 
CN-211 Calculating the value of information 

Cost Benefit Analysis

AP Present Value 
AP-100 Basic present value formulas 
AP-101 A single payment 
AP-105 Several individual payments 
AP-111 A stream of five payments 
AP-121 An infinite stream of payments 
AP-131 An infinite stream starting in year 0 
AP-200 Compound formulas for more complex cash flows 
AP-211 A delayed infinite stream 
AP-221 A finite stream 
AP-231 A delayed finite stream 
AP-300 Net present value applications 
AP-321 Establishing a park 
AP-331 A road project accounting for DWL in tax revenue 
AP-341 Comparing conventional and hybrid vehicles 
AU Incorporating Uncertainty 
AU-100 Evaluating uncertain policies 
AU-101 Policy risk and investment incentives 
AU-200 Value of information 
AU-201 Highway planning with uncertain population growth 
AU-500 Imperfect information 
AU-501 Imperfect information and health policy 
AU-505 Screening for rare diseases with imperfect medical testing. 
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Peter J Wilcoxen, The Maxwell School, Syracuse University
Revised 10/21/2022