satisfaction grow in market size. We document this phenomenon across 246 US radio markets. By a mechanism that we term 'preference … externalities', an increase in the size of the market brings forth additional products valued by others with similar tastes. But who … possibly reduced) by the size of the white population. Consequently, small groups receive less variety from the market. Forces …

behavior in the car market. We show that a social planner can use leasing contracts to improve welfare but they are imperfect … tools; they cannot generally achieve first best while other mechanisms can. We also show that a producer with market power … can benefit from leasing contracts for two reasons: better pricing of the option of keeping the used good, and market …

the demand and suppoly for labor-intensive care. Many economists have argued that aging will raise the market demand for … long-term care, and hence price and quantity through classic market effects. We argue that the direct effect of aging is to … lower the demand for market care by incresing the supply of home production. By influencing the length of frail lifetimes …

approximates Harris' (1954) market-potential function. The estimation results show how far demand linkages extend across space and …

Digital platforms like Uber can enhance market transparency and mitigate moral hazard via ratings of buyers and sellers …

across countries, we show that these expenditures explain the relative rise of concentration and market power in the US …