We study a political economy model of entry barriers. Each period the policymaker determines whether to impose a high barrier to entry, and the special interest groups try to influence the policymaker's decision. Entry is accompanied by creative destruction-when many new firms enter, old firms are more likely to be driven out of the market. Therefore the current incumbents (industry leaders) tend to lobby for a higher entry barrier and potential entrants (industry followers) are likely to lobby for a freer environment for entry. We analyze both static and dynamic versions of the model to examine what kind of environment supports a policy that blocks entry. In the dynamic model, the economy can exhibit various different dynamics. In particular, multiple steady states may arise in equilibrium.
- Entry and exit
- Political economy