The Australian dollar has soared 26 percent against the U.S. dollar since last June, making those foreign lift tickets cheaper than those in Australia, and travel agents report a jump in interest in travel to North American ski destinations like Vail and Aspen.

As Australians switch from skiing in Australia and flock to Vail and Aspen, how will the Australian ski operators’ producer surplus change? How will the Vail and Aspen ski operators’ producer surplus change?