This paper critically evaluates two different approaches to teaching macroeconomics at the undergraduate level through the comparison of two popular, recent handbooks: Olivier Blanchard's Macroeconomics (2021) and William Mitchell, Randall Wray and Martin Watts's Macroeconomics (2019). These...

This paper studies the relationship between three key elements of the marketing mix, namely, price, product, and promotion, in a model where a seller employs informative advertising to launch a new product. We propose a fairly general advertising technology for the study of three promotional...

Demand for oil is very price inelastic. Facing such demand, an extractive cartel induces the highest price that does not destroy its demand, unlike the conventional Hotelling analysis: the cartel tolerates ordinary substitutes to its oil but deters high-potential ones. Limit-pricing equilibria...