Identify a reason for America's high level of labor productivity. healthy educated workers (labor quality) access to advanced technology access to abundant natural resources plentiful capital (to include capital goods-ex. machinery and buildings) all of the above When is the principle (the firm) - agent (the worker) problem evident? o when the firm's interests don't coincide with those of the workers when the workers behave in ways that benefit themselves but not the firm when the workers put the firm's interests above their own when the firm's are owned by the workers themselves both the 1st and 2nd choice are correct