This paper studies the influence of different modelling assumptions on the stability of the steady state in one--sector models of economic growth with externalities in the production function. We start with a standard Benhabib&Farmer 1994 one--sector model and study the combined effect on the...

"If we did not have a patent system, it would be irresponsible, on the basis of our present knowledge of its economic consequences, to recommend instituting one. But since we have had a patent system for a long time, it would be irresponsible, on the basis of our present knowledge, to recommend...

In this paper we extend the representative agent model of the consumer to incorporate durable consumption goods that generate status, where status depends on relative consumption. The study is done in the neoclassical context and incorporates analytical and numerical results. In the closed...

We develop a model of a small open economy with three types of nominal rigidities (domestic goods prices, imported goods prices and wages) and eight different structural shocks. We estimate the model's structural parameters using a maximum likelihood procedure and use it to compute...

In this paper a state-space representation for the single-factor Cox, Ingersoll and Ross (1985) model is employed to analyse the intertemporal dynamics of the term structure for UK Gilts and Euro-denominated German Treasury bonds. Closed form solutions for the prices of discount bonds are...

Inflation equals the product of two terms: the fraction of items with price changes (whose volatility figures prominently in state-dependent pricing models), and the average size of those price changes (the only source of fluctuations in time-dependent pricing models). The variance of inflation...

In an American continuous-installment option the premium, instead of being paid up-front, is paid at a certain rate per unit time. At any time at or before maturity date, the holder has the right to terminate payments and either exercise the option or "walk away" from deal. Under the standard...

The paper studies empirically and analytically growth and fluctuation of firm size distribution. An empirical analysis is carried out on several data sets on firm size, with emphasis on one-time distribution as well as growth-rate probability distribution. Two well-known scaling laws, Pareto's...

In this paper we solve a stochastic dynamic programming problem for the solution to a dynamic game in which the players select a mean level of control. The state transition dynamics are a function of the current state of the system and a multiplicative noise factor on the control variables of...

We address robustness of inflation targeting rules in a New Keynesian model using two approaches. Firstly we use the Hansen-Sargent method, borrowed from the control theory literature, to design robust rules on the basis of the policymaker playing a game against malign nature. This welfare-based...