In the second coastal specification, C2, the variable DIKESH,
the share of the coastline with dikes, is the only variable. In
both landscape combinations, the coefficient is negative. In
the L1 combination, it is only significant at the 10% level. For
the L2 combination, however, it is significant at the 5% level. In
contrast to the existence of open coast, the existence of dikes
has a negative effect on price