English Abstract: This paper estimates Korea's natural rate of unemployment using various estimation methods such as … disadvantages of each estimation method. This paper also provides the confidence interval of the estimated natural rate of … many aspects than other estimation methods, awareness should be raised for a potential misspecification problem of a …

volatility of production would be lower than that of demand. However, the production smoothing hypothesis is inconsistent with … investments, we found that the dynamics are dependent on business cycles. During booms, the volatility of inventory investments is … non-convexity of production costs amplifies the volatility of inventories, while stock-out avoidance motive is …

direction within the same fiscal year. However, the inter-temporal reallocation is found to reduce volatility of key …