In this paper we study the welfare effect of a monopoly innovation. Unlike many partial equilibrium models carried out in previous studies, general equilibrium models are constructed and analyzed in greater detail. We discover that technical innovation carried out by a monopolist could...

We introduce a computable general equilibrium model for Ireland to investigate the impact of climate policy on the Irish economy, taking special notice of interactions with the existing tax structure. To this end, we extend the model with a detailed representation of the tax system using...

This paper examines the complications posed by pre-existing tax distortions in the economy, for the evaluation of a variety of subsidy policies that affect the environment. These complications include not only the efficiency cost of financing the subsidy by distortionary taxation, but also the...

Using data on road accidents, traffic fatalities and driving offences taking place in Italy over the period 2001–2005, we estimate the effects of the introduction on July 2003 of a penalty points system for driving offences. To identify the causal effect of the penalty points system (PPS) on...