We use a structural model to study the interaction between barriers-to-entry, investment, and
monetary policy. We first show that entry cost shocks have distinct macroeconomic …

Green innovation plays a crucial role in transforming economic models and achieving
sustainable development in enterprises. As an important embodiment of artificial intelligence …

We propose a model to identify the causes of rising profits and concentration, and declining
entry and investment in the US economy. Our approach combines a rich structural DSGE …

We study the gains from trade in a model with oligopolistic competition, heterogeneous firms
and innovation. Our key finding is that a trade-induced increase in market concentration can …

The relationship between digital economy and signal information on firms 'markup has been
overlooked and not well explained, especially in the emerging economies. When there is …

Digital-oriented mergers and acquisitions (DOMA) are increasingly being adopted as
strategic options by enterprises during digital transformation. They represent a crucial …

This paper presents a tractable model of innovation and growth with firm heterogeneity and
financial frictions. The model is used to uncover new mechanisms linking access to credit …

We study the determinants of emission leakage using a two-country general equilibrium
model with heterogeneous firms and Cournot competition. We show that firms from the …

I investigate the effect of foreign entry on host country market competition. Using a firm‐level
data set for the Korean retail sector during the process of FDI liberalisation, I find that the …

We argue that the recent increases in market concentration and markups are partly due to
an 'innovation feedback effect'of globalisation. Lower trade costs increase innovation …