Turkey has switched to a presidential system via a referendum held in April 2017 that will take full effect after the 2019 presidential elections. Turkish presidentialism increases the prominence of the executive at the expense of the legislative branch and concentrates power in the office of the president. Executive aggrandizement will deepen ideological polarization and electoral mobilization by significantly raising the stakes of the game for both the incumbent and the opposition. As such, we posit that the new presidential system will institutionalize the de facto personalism and majoritarian rule that the AKP has hitherto established in recent years. This trend is likely to trigger a transition from a competitive authoritarian to hegemonic electoral authoritarianism in case of Tayyip Erdoğan's election, thus placing Turkey on par with the strongest executive systems around the globe such as Russia and Venezuela.

中文翻译：

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“土耳其总统制”的危险

土耳其通过 2017 年 4 月举行的全民公决转为总统制，该公投将在 2019 年总统选举后全面生效。土耳其总统制以牺牲立法部门为代价提高行政部门的地位，并将权力集中在总统办公室。行政扩张将通过显着提高现任和反对党的博弈赌注来加深意识形态两极分化和选举动员。因此，我们认为新的总统制度将使正义与发展党近年来建立的事实上的个人主义和多数主义统治制度化。在TayyipErdoëan选举的情况下，这一趋势可能会引发从竞争激烈的专制到霸权选举专制主义的过渡，