<Dd> D = 1, if the State i is in the North Region </Dd> <Dl> <Dd> <Dl> <Dd> D = 0, otherwise </Dd> </Dl> </Dd> </Dl> <Dd> <Dl> <Dd> D = 0, otherwise </Dd> </Dl> </Dd> <Dl> <Dd> D = 0, otherwise </Dd> </Dl>

Which of the following statements about dummy variables is false