It has been recognized that the optimal strategy of a government is generally time-inconsistent: optimality requires that the government take into account expectations effects in the formulation of its policy and to ignore these effects when applying the policy. In order to analyse the problem,...

This paper provides a general review of recent developments in the application of control theory to macroeconomic policy design. It starts by highlighting the crucial difference between the engineering and economic control problem, in that the latter, unlike the former, is concerned with the...

Public ownership is viewed as a restriction on the portfolio of equities held by investors. Three conditions are required to justify such restrictions. First, monitoring and coordination create concentration in supply or demand. Second, complete contracts must be infeasible or undesirable....

Recent economic theories have investigated the susceptibility of diverse public bureaucratic structures to capture by private industry. In particular, Laffont and Martimort (1999) propose that the separation of regulatory powers will reduce the threat of capture. We analyse investor reaction to...

When today’s actions can affect tomorrow's value of an asset and when the principal does not have access to hard information, either about productive activity or monitoring activity, two incentive problems must be simultaneously solved: first, the ‘ex-ante’ moral hazard problem of inducing...

This paper provides factual evidence on the extent of public intervention in the Italian economy. It further illustrates the internal contradictions and weaknesses of public action in Italy. New policy proposals to solve old structural problems of the Bel Paese are then discussed. Among them, a...