We develop a new and comprehensive database of firm‐level contributions to US political
campaigns from 1979 to 2004. We construct variables that measure the extent of firm …

We provide a practical method to estimate the payoff functions of players in complete
information, static, discrete games. With respect to the empirical literature on entry games …

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 …

This paper examines empirically the effects of multimarket contact on pricing in the US
airline industry. The analysis of the time-series and cross-sectional variability of airline fares …

We analyze the effects of competition on price dispersion in the airline industry, using panel
data from 1993: Q1 through 2006: Q3. Competition has a negative effect on price dispersion …

The next section reviews the evolution of the domestic airline industry since the late 1970s,
when it was abruptly freed from most regulatory constraints on pricing, entry, and …

Previous research has examined whether price dispersion exists in theoretically highly
efficient Internet markets. However, much of the previous work has been focused on …

The US government, media, and flying public have expressedgreat concern in recent years
over both airline market concentration and flightdelays. This study explores potential …

This article estimates a structural model of competition among hub-and-spoke airlines in
order to measure the strength of economies of traffic density on individual route segments …

Most airports compare their efficiency according to the results of some partial productivity
ratios. However, this approach does not provide a good understanding of their overall …