Inflation expectations have been of great interest to economists because they predict how agents in an economy set prices and react to changes in various macroeconomic variables. The existence of Keynesian liquidity traps in Japan and the United States have helped emphasize the importance of...

Financial globalisation during the 1990s impinged upon world savings and investment flows, macroeconomic developments, challenges confronting policy makers, international investors and financial market regulators. Experiences of the last two decades reveal that international financial markets...

Artículo de revista ; To contribute to the fight against climate change and achieve a carbon-neutral economy, a large volume of funds must be mobilised to finance the necessary investment. The international financial system will play a key role in this process to channel the financing, but...

Artículo de revista ; Since March 2020, the world’s major economies have approved financial and regulatory measures to limit the impact of the health crisis on both the overall economy and their respective financial systems. This paper summarises the measures implemented by countries outside...

As networks improve and new services emerge, questions arise that affect service deployments and network choices. The Internet is arguably a successful example of a network shared by many services. However, combining heterogeneous services on the same network need not always be the right answer,...

This dissertation contains three essays that can be read independently. The first chapter examines how a debt crisis can occur and persist as a result of unanticipated, transitory, real interest rate and commodity price shocks. Using an optimal stopping framework, the debtor country's optimal...

This study is an empirical analysis of household expenditure behavior using the Linear and Quadratic Expenditure Systems. The expenditure systems are estimated using data collected in 1972 by the Departmento Administrativo Nacional de Estadisticas (DANE) of Bogota, Colombia. The Linear...

My dissertation research is composed of two parts: a theoretical part on semiparametric efficient estimation and an applied part in energy economics under different dynamic settings. The essays are related in terms of their applications as well as the way in which models are constructed and...

In the first chapter; we consider nonlinear transformations of random walks driven by thick-tailed innovations with infinite means or variances. In particular, we show how nonlinearity, nonstationarity, and thick tails interact to generate persistency in memory, and we clearly demonstrate that...