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Sometimes a researcher will include an internal consistency check to ensure that reliable answers are being given by respondents. This is normally carried out by having two different questions that measure the same construct embedded somewhere in the questionnaire.
Oligopolistic Industry
A market structure characterized by a small number of large firms that dominate the market, often leading to limited competition and higher prices.
Differentiated Oligopoly
A market structure in which a few firms offer products that are similar but not perfect substitutes, allowing for some pricing power.
Collusion
An agreement between competing firms to control prices or exclude entry of a new competitor in the market, often in violation of antitrust laws.
Sequential Game
A strategic interaction (game) between two or more parties (players) in which each party moves (makes a decision) in a predetermined order (sequence).
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