Keywords: McDonald's Firm ; Influence ; Retail trade Social aspects ; Forecasting ; Consumer behavior Social aspects ; Forecasting ; Big business Social aspects ; Forecasting ; Consumer credit Social aspects ; Forecasting ; Consumption (Economics) ; Social prediction ; Food habits Forecasting ; McDonald's Firm ; Rationalization (Psychology) ; Social structure United States ; United States Social conditions ; Industriegesellschaft ; McDonald's Corporation ; Rationalisierung ; Unternehmenspolitik ; Industriegesellschaft ; Rationalisierung ; Modernisierung ; Massenkonsum ; Modernität ; Verbraucherverhalten ; Schnellgaststätte