We develop a simple theoretical model of a long term buyer-supplier relationship with non-contractible buyer specific R&D investment, and derive predictions on the effects of trust and competition on suppliers' investment and buyers' procurement strategies. We address these issues empirically...

This paper studies the effect of child care provision on family structure. We present a model of a marriage market with positive assortative matching, where in equilibrium the poorest women stay single. Couples have to decide on the number of children and spousal specialization in home...