The marginal rate of technical substitution is The rate at which a producer is able to exchange, without affecting the quantity of output produced, a little bit of one input for a little bit of...

Extracted text: The marginal rate of technical substitution is The rate at which a producer is able to exchange, without affecting the quantity of output produced, a little bit of one input for a little bit of another input. b. The rate at which a producer is able to exchange, without affecting the total cost of inputs, a little bit of one input for a little bit of another input. The rate at which a producer is able to exchange, without affecting the total inputs used, a little bit of one output for a little bit of another output. d. A measure of the ease or difficulty with which a producer can substitute one technique of production for another