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Questions tagged [elasticity]

Elasticity is the measurement of how responsive an economic variable is to a change in another.

4
votes
1answer
75 views

Demand function estimation

The model specification is: $$D_{ij} = A + aP_{ij} + bY_{ij} + cN_{ij} + e_{ij}$$ where: $i, j$ = $i$-th year, $j$-th month, $D$= demand (outgoing minutes) $P$ = average price of call, $Y$ = ...
9
votes
3answers
2k views

Why absolute value in elasticities and marginal rate of substitution?

This is a point I find very confusing and very hard to justify to students. Depending on the books, one finds many different conventions regarding the sign of elasticities and marginal rate of ...
12
votes
1answer
607 views

What are estimates of the elasticity of demand for credit with respect to interest rates?

When interest rates go up one percent (not one percentage point), what happens to demand for credit? I've only been able to find two papers in this area: Gross and Souleles (2001) study credit cards ...
22
votes
4answers
1k views

What are Giffen Goods?

What exactly are Giffen goods and are they of purely theoretical interest or has there been empirical evidence of their existence?
15
votes
2answers
2k views

How is price elasticity determined in practice?

Price elasticity of demand and Price elasticity of supply are two of the most important concepts of microeconomics, but they're generally explained from a hypothetical standpoint, and little effort is ...
13
votes
5answers
2k views

Econometrics: Is elasticity meaningful in my, or any, regression?

A few months ago I interned at this organization; and, as a going away present, I decided to spend my last week, with whatever off time I had, to investigate the factors that affect teacher salaries. ...