This dissertation consists of three essays on high frequency data, volatility, and disaster risk in macroeconomic modeling. In Chapter I, I verify a credit card transaction dataset for Austria and Germany. I use this dataset in Chapter II to investigate the weekly impact of financial market...

This paper analyzes the dynamic effects of a fiscal policy shock and its transmission mechanism in a small open economy and compares the responses under different specifications of the utility function. The traditional Mundell-Flemming model tells that fiscal policy is more effective under a peg...

This paper investigates the impact of fiscal policy on private consumption and labor supply in the UK economy using time-varying parameter vector autoregression (TVP-VAR) with stochastic volatility for the period Q2 1987 to Q2 2017. It considers fiscal variables such as government expenditure...