“…The main identifiers of the presidential form are as follows: - The executive is unified (Lijphart, 2012: 106–107; Mainwaring and Shugart, 1997: 449; Siaroff, 2003: 288; Verney, 1959: 46).
- The president is directly or indirectly elected by popular vote (Gerring et al, 2009: 337; Lijphart, 1992: 2–3, 2012: 17, 106–107; Linz, 1990a: 52; Mainwaring and Shugart, 1997: 449; Samuels and Shugart, 2010: 4; Sartori, 1994: 106; Shugart, 2005: 325; Shugart and Carey, 1992: 19).
- The president is both head of state and head of government (Lijphart, 2012: 106–107; Linz, 1990a: 52; Sartori, 1994: 106; Verney, 1959: 45).
- The president unilaterally appoints the ministers (Linz, 1990a: 52; Mainwaring and Shugart, 1997: 449; Munkh-Erdene, 2010: 330; Samuels and Shugart, 2010: 4; Shugart, 2005: 325; Shugart and Carey, 1992: 19; Verney, 1959: 45). The appointment of ministers by the president alludes to the following possibilities:
- Ministers are only responsible to the president (Linz, 1990a: 52; Munkh-Erdene, 2010: 330).
- The government is not collectively responsible to the legislature (Elgie and Moestrup, 2016: 7; Lijphart, 2012: 106–107; Shugart, 2005: 325).
- The president’s term of office is fixed (Elgie and Moestrup, 2016: 7; Gerring et al, 2009: 337; Lijphart, 1992: 2–3, 1999: 17, 2008: 142, 2012: 106; Linz, 1990a: 52; Mainwaring and Shugart, 1997: 449; Munkh-Erdene, 2010: 330; Samuels and Shugart, 2010: 4; Sartori, 1994: 106; Shugart, 2005: 325; Shugart and Carey, 1992: 19; Skach, 2005: 13; Stepan and Skach, 1993: 3–4; Verney, 1959: 51). Fixed-term presidency also means:
- The president is not responsible to the legislature (Cheibub, 2007: 15; Samuels and Shugart, 2010: 4;
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