We prove the existence of monetary equilibrium in a finite horizon economy with production. We also show that if agents expect the monetary authority to significantly decrease the supply of bank money available for short term loans in the future, then the economy will fall into a liquidity trap today.

Genetic improvement of animals is a long term process and breeding programmes need to consider aspects that are of importance in the future. In addition to cost-effective pig production, factors that affect marketing of pork will become increasingly important. One important factor in marketing of pork is leanness. Consumers prefer lean meat for health reasons. This is taken into account in toda...