When the nation of Venezia allows trade and as a result becomes an exporter of shoes, a. residents who produce shoes become worse off; residents who buy shoes become better off; and the economic well-being of Venezia falls. b. residents who produce shoes become better off; residents who buy shoes become worse off; and the economic well-being of Venezia falls. c. residents who produce shoes become worse off; residents who buy shoes become better off; and the economic well-being of Venezia rises. d. residents who produce shoes become better off; residents who buy shoes become worse off; and the economic well-being of Venezia rises