In a recent paper I argued that Baumol's (1967) model of 'unbalanced growth' offers a ready explanation for the observed secular rise in health care expenditure (HCE) in rich countries (HARTWIG 2006). Baumol's model implies that HCE is driven by wage increases in excess of productivity growth. I...

This book presents the answers to the exercises in Macroeconomic Theory, Fluctuations, Inflation and Growth in Closed and Open Economies, 2nd Edition, by Fernando de Holanda Barbosa (Cham, Switzerland: Springer, 2024), hereafter referred as Macro Theory. Altogether, there are 170 exercises in...

This paper analyses how labour market heterogeneity affects unemployment, productivity and business cycle dynamics that are relevant for monetary policy. The model matches remarkably well the short and long run dynamics of skilled and unskilled workers. Skill mismatch and skill-specific labour...

We analyze recent contributions to growth theory based on the model of expanding variety of Romer [Romer, P. (1990). “Endogenous technological change”. Journal of Political Economy 98, 71–102]. In the first part, we present different versions of the benchmark linear model with imperfect...

We develop an endogenous growth model to quantify how permanent structural policy changes that enhance the fiscal policy mix, markets' functioning, and public institutions' quality affect long-term growth and welfare. The reforms include increased public investment, reduced market power through...

This paper examines the effect of growth-enhancing policies in an R&D-based endogenous growth model when the government does not have the ability to raise taxes to finance the required expenses. We show that the government can increase the economic growth rate by debt-financed R&D subsidies...