We examine how incumbents respond to the threat of entry by competitors (as distinct from how they respond to actual entry). We look specifically at passenger airlines, using the evolution of Southwest Airlines' route network to identify particular routes where the probability of future entry...

We examine how incumbents respond to the threat of entry by competitors (as distinct from how they respond to actual entry). We look specifically at passenger airlines, using the evolution of Southwest Airlines' route network to identify particular routes where the probability of future entry...

Despite the interest in measuring price sensitivity of online consumers, most academic work on Internet commerce is hindered by a lack of data on quality. In this paper we use publicly available data on the sales ranks of about 20,000 books to derive quantity proxies at the two leading online...

The Internet has the potential to significantly reduce search costs by allowing consumers to engage in low-cost price comparisons online. This paper provides empirical evidence on the impact that the rise of Internet comparison shopping sites has had for the prices of life insurance in the...

Many Internet retailers must raise margins in the future if they are to survive. This raises the important issues of whether they will be able to raise margins as well as how valuation estimates made today should evaluate projected changes to margins in the future. In this paper, we describe...

The Internet may significantly reduce search costs by enabling price comparisons on-line. This paper provides empirical evidence on how Internet comparison shopping sites affected the prices of life insurance in the 1990s. Using micro data on individual insurance policies and controlling for...

This paper examines the economic impact of the apportionment formulae used to divide corporate income taxes among the states. Since such formulae usually include total payroll, they transform, at least partially, the state corporate income tax into a direct factor tax on payroll. Using panel...