We analyze whether endogenizing preventive healthcare investment in the lifetime portfolio affects the utility inequality of the elderly. To assess inequality, we exploited the coefficient of variation of the value function for the representative agent. Comparing the inequality of two simple...

This paper explores the possibility of the potential usage of machine learning models in the field of realized volatility forecasting of crude oil with a vast variety of empirical analyses and robustness checks. Although the conventional heterogeneous autoregressive (HAR) model is widely...

Models of optimal retirement should reflect market incompleteness in reality caused by disability risk. In this paper, we develop an analytic approach for optimal retirement models with disability risk. More precisely, we provide an analytically tractable characterization of total wealth that is...

We investigate the effect of the regime-switching transaction costs and dividends on liquidity premium and investor’s optimal strategy. With reasonably calibrated parameters, we show that counter-cyclical transaction costs substantially raise liquidity premium while procyclical dividends...