Tackling climate change is one of the highest challenges which the world economy is currently facing. The European Green Deal, adopted in 2019, sets the European roadmap towards a net-zero greenhouse gas emissions economy. The food system is heavily responsible for greenhouse gas emissions and...

We develop a tractable RBC model of the stock market with heterogenous firms. Shares value rests on the rent extracted from proprietary technology à la Dixit-Stiglitz. We prove the existence and uniqueness of the fundamental equilibrium. Closed form solutions are provided for the market...

Since the 1970s, there have been significant changes in firm dynamics within and across industries in the US. Industries are increasingly dominated by a small number of large firms ("superstars"). Markups, market concentration, profits, and R&D spending are increasing, whereas business dynamism,...

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product market rivalries that emerges endogenously out of the characteristics of the products and services they supply. My model embeds a novel, highly tractable and scalable demand system...

\noindent The Chinese competition authority announced a sanction against Qualcomm, a leading semiconductor manufacturer in the United States. This study investigates whether Qualcomm's pricing strategy limited competition with its rivals. The study estimated two demand functions for handsets and...

The Resource-Advantage Theory of Competition states that a comparative advantage in resources leads to a competitive advantage in the marketplace. This research aims to expand this theory by including the role of innovation, particularly environmental innovation, as a moderating variable in the...

I consider a model in which an asset owner must decide how much to invest in his asset mindful of the fact that an encroacher's valuation of the asset is increasing in the asset owner's investment. Due to incomplete property rights, the encroacher and asset owner engage in a contest over the...

I consider a model in which an asset owner must decide how much to invest in his asset mindful of the fact that an encroacher's valuation of the asset is increasing in the asset owner's investment. Due to incomplete property rights, the encroacher and asset owner engage in a contest over the...

I consider a model in which an asset owner must decide how much to invest in his asset mindful of the fact that an encroacher's valuation of the asset is increasing in the asset owner's investment. Due to incomplete property rights, the encroacher and asset owner engage in a contest over the...