South Korea’s health officials did not disclose the identities of hospitals exposed to MERS-CoV for the first three weeks of the outbreak in 2015, leading to amplified fear in the society. To ascertain the uncertainty costs due to the failure of timely information provision, we examine the...

This paper proposes new cointegration tests based on instrumental variable (IV) estimation. An important property of our tests is that the asymptotic distribution remains standard normal (or Chi-square) regardless of the number of regressors, differing deterministic terms, structural dummies,...