Despite the worldwide popularity of CDD- and HDD-type weather derivatives based on temperature, a different class of weather derivatives, so-called summer day options, is more popular in Japan; the payoffs are determined by the number of summer days (i.e., the days whose average temperature is...

We analyze transition probabilities of regime-switching in electricity prices based on supply and demand by using the structural model of Kanamura and Ohashi (2004). We show that the transition probabilities depend on the demand level and thus are not constant. This result is in sharp contrast...

Despite the worldwide popularity of CDD- and HDD-type weather derivatives on temperature, a different class of weather derivatives, the so-called summer days options, is more popular in Japan, whose payoffs are determined by the number of summer days (i.e., the days whose average temperature is...

We provide a valuation formula for emission allowance. Assuming that the value of emission allowance on the last day of a trading phase is equal to a spread of commodity prices (e.g. electricity and natural gas) when the spread is positive and less than the penalty, we show that the emission...

We consider an economy in which a lender finances his loans to borrowers by issuing a securitized product to investors, and where the credit quality of the product may depend on whether the lender screens the borrowers. In the presence of asymmetric information between the lender and the...