This paper examines multinational public goods provision under multilateral income transfers and productivity differences across countries. We assume the existence of a planner who uses linear approximation for utility maximization for all countries. The main findings are: (i) A country is an...

We develop a tractable dynamic model of productivity growth and technology spillovers that is consistent with the emergence of real world empirical productivity distributions. Firms can improve productivity by engaging in in-house R&D, or alternatively, by trying to imitate other firms’...