There is a positive and significant correlation of many traits, such as age, religion, socioeconomic status, and education, among spouses. Becker (1973) shows that positive assortative matching – which results in a perfect correlation of traits in spouses – is optimal if the traits...

We consider a two-sided, finite-horizon model of search and matching with heterogeneous types and complementarity between types. The quality of the pool of potential matches deteriorates as agents who have found mutually agreeable matches exit the market. With automatic participation of all...

I present a model to assess the impact of demand-side factors on the concentration of sales within large product assortments. Consumers face a search problem within an assortment of horizontally differentiated products supplied by a monopolist. They may search for a product match by drawing...