Complex sentence: The latter may result from unregulated monopoly, tariffs, import quotas, uncorrected externalities, or different tax rates on goods, each of which may lead to a net loss in consumer surplus (Srinivasan, 1987; Slemrod, 1990).
Split into simpler sentences: The latter may result from unregulated monopoly, tariffs, import quotas, uncorrected externalities, or different tax rates on goods. Each of each these may lead to a net loss in consumer surplus (Srinivasan, 1987; Slemrod, 1990).