Investment is one of the pillars of private sector development. The acquisition of assets enables firms to increase their capacity and improve their efficiency, unlocking avenues of growth. Promoting firms’ growth is especially critical in Sub-Saharan African countries that have predominantly low levels of economic development and high rates of poverty. Against this backdrop, there has been a rapid increase in mobile money use - that is the use of mobile phones for financial transfers. At the end of 2015, mobile money services were available in 93 countries -with a total of over 411 million registered accounts and 134 million active users (GSMA, 2015). Many of these users are firms that increasingly rely on mobile money to pay bills, suppliers, and salaries or to receive payments from customers. While numerous advantages of the permeation of mobile money has been explored, including lower transaction costs, little research has been done to investigate the far-reaching benefits that lowering transaction costs could entail, such as increasing firm investment. To fill this void, we recently completed a study on the effect of mobile money use on firm investment in three countries – Kenya, Tanzania and Uganda.
Equitablog, run by the Washington Center for Equitable Growth, has launched a series of 'Notes and Finger Exercises on Thomas Piketty’s “Capital in the Twenty-First Century”.' Brad DeLong's post, 'There Are Four r’s', details some alleged oversights in Piketty's book. In particular, DeLong focuses on how the real interest rate behaves at different levels of economic activity. He highlights Larry Summers' concern about secular stagnation and the risk that rich folks might retreat from investing in industry. And DeLong pulls out some sexy math.
Matthew Gentzkow has won the John Bates Clark Medal, an honor conferred by the American Economic Association for his contributions to "our understanding of the economic forces driving the creation of media products, the changing nature and role of media in the digital environment, and the effect of media on education and civic engagement..."