As China becomes more closely entwined with the US, positive shocks in the US translate into positive outcomes for China, but the extent of gain for the US during the convergence process is less clear. We develop an empirical framework of two interacting open economies in which Chinese GDP per...

Multivariate analysis can help to focus on economic phenomena, including trend and cyclical movements. To allow for potential correlation with seasonality, the present paper studies a three component multivariate unobserved component model, focusing on the case of quarterly data and showing that...

Economists typically use seasonally adjusted data in which the assumption is imposed that seasonality is uncorrelated with trend and cycle. The importance of this assumption has been highlighted by the Great Recession. The paper examines an unobserved components model that permits non-zero...