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Economists often assume that input choices are made concurrently with production, after the resolution of input cost and productivity uncertainty. In this paper, I study how firms make input plans ex-ante, prior to the resolution of uncertainty. I allow firms to manage their input risk through demand schedules, functions that describe how much of an input the firm is willing to purchase at every possible price. I characterize the firm’s optimal demand schedule and show that the ex-post responsiveness of total inputs purchased to realized prices depends on (i) the firm’s input and output¬†market power, and (ii) the firm’s subjective uncertainty about its costs and revenues. In order to understand how demand schedules shape the transmission of macroeconomic shocks, I embed firm demand schedule choice in a general equilibrium model with firm-to-firm linkages. Flat demand schedules (a low responsiveness of inputs to ex-post prices) imply a low pass-through of productivity and demand shocks to aggregate consumption expenditures. The model has implications for the state-dependent propagation of shocks with respect to uncertainty and input market power.