在食品安全暨衛生這個議題領域中，消費者、業者、政府是三個最主要的行為者(actors)。理論上，當此三個行為者的地位在市場上處於均衡狀態，就算彼此偏好(preferences)不同，食安品質仍得以維持一定水準。惟業者多半在實際上享有資訊優勢，並藉由此種優勢地位在市場交易過程中取得主導性影響，致使政府經常與其靠攏或是消費者受其宰制。有趣的是，臺灣因近幾年接續爆發各式各類食安醜聞，於是政府開始頻繁地修正食安法規並積極地介入市場進行管理。這使得上述三個行為者在食安..

Consumers, the food industry, and the government are the main actors in the area of food safety and the embedded domain of public health. Theoretically, only by balancing power among the three actors will desired food safety be maintained, even though the three actors have different preferences. Nevertheless, the industry frequently plays the leading role in the market because of its superiority in information possession. Thus, the government usually leans toward collaborating with the industry, leaveing consumers under indus..