The payoff (in DKK) of each person is given as: where: = initial endowment in “tokens” not varying across subjects, = tokens subject i contributes to the group public good account, = marginal payoff t
Standard errors in parentheses.***significantly different from 0 at the 1 percent level (twosided Wald-test).**significantly different from 0 at the 5 percent level (twosided Wald-test).*significantly
Standard errors in parentheses. ***significantly different from 0 at the 1 percent level (twosided Wald-test). **significantly different from 0 at the 5 percent level (twosided Wald-test). *significan