text: Representative democracy (also indirect democracy, representative republic, or psephocracy) is a type of democracy founded on the principle of elected officials representing a group of people, as opposed to direct democracy. Nearly all modern Western-style democracies are types of representative democracies; for example, the United Kingdom is a constitutional monarchy, Ireland is a unitary parliamentary republic, and the United States is a federal republic. 
  
  It is an element of both the parliamentary and the presidential systems of government and is typically used in a lower chamber such as the House of Commons (United Kingdom) or Dáil Éireann (Republic of Ireland), and may be curtailed by constitutional constraints such as an upper chamber. It has been described by some political theorists including Robert A. Dahl, Gregory Houston and Ian Liebenberg as polyarchy. In it the power is in the hands of the elected representatives who are elected by the people in elections. 
  
  Representatives are elected by the public, as in national elections for the national legislature. Elected representatives may hold the power to select other representatives, presidents, or other officers of the government or of the legislature, as the Prime Minister in the latter case. (indirect representation). 
  
  The power of representatives is usually curtailed by a constitution (as in a constitutional democracy or a constitutional monarchy) or other measures to balance representative power: