Harvard financial economist Alberto Cavallo empirically shows the recent *Amazon effect* that online retailers such as Amazon, Alibaba, and eBay etc use fas

Corporate diversification theory and evidence A recent strand of corporate diversification literature spans at least three generations. The first generat

IMF chief economist Gita Gopinath indicates that competitive currency devaluation may be an ineffective solution to improving export prospects. In the form

Goldman Sachs chief economist Jan Hatzius proposes designing a new Financial Conditions Index (FCI) to be a weighted-average of interest rates, exchange rat

The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio

A Florida fintech group Fidelity Information Services initiates the largest $43 billion acquisition of the e-commerce payments processor Worldpay. Fidelity