[EN] This paper analyzes the effects of optimal taxation on a polluting monopolist who produces a durable good and cannot precommit to future sale prices. The government establishes the taxes that maximize social welfare, measured as the present value of the sum of consumer surplus plus...

We estimate cross and direct elasticities for food products in Mexico. We consider Mexico's most consumed goods, which are tortillas, meat, chicken, milk, eggs, onion, chili pepper, kidney beans, soft drinks, and water. We find that using the methodology of Deaton to estimate elasticities...

Governments must collect the resources necessary to carry out their duties, regardless of the intensity with which governments intervene in society. Ultimately, to govern must be to tax in order to spent. Everything else, such as the intentions of governm