En un escenario como el actual, de continua apreciación nominal del peso colombiano frente al dólar, se hace relevante insistir en el uso de un concepto más amplio, como es la tasa de cambio real (TCR), para examinar las causas de la apreciación y evaluar la competitividad del país. Son...

MIT emerged from “nowhere” in the 1930s to its place as one of the three or four most important sites for economic research by the mid-1950s. A conference held at Duke University in April 2013 examined how this occurred. In this paper the author argues that the immediate postwar period saw a...

Peter Diamond has made fundamental contributions to economic theory over a wide range of areas including search theory and its implications for unemployment (for which he was awarded the Nobel Memorial Prize), optimal taxation, which he pioneered with James Mirrlees, incomplete markets and their...

We study properties of the solutions to a parametrized constrained optimization problem in Hilbert spaces. A special operator is studied which is of importance in economic theory; sufficient conditions are given for its existence, symmetry, and negative semidefiniteness. The techniques used are...