A Bioeconomic Model of Indoor Pacific Whiteleg Shrimp (<i>Litopenaeus Vannamei</i>) Farms With Low-Cost Salt Mixtures MaierPatrick N 2020 Using a bioeconomic model and stochastic simulation to assess the economic viability of small-scale, recirculating shrimp farms in the Midwestern U.S. A series of stress tests were implemented on key input variables including survival rate, selling price, electricity usage, discount rate and the cost of added salt. The key output variable is the Net Present Value of the operation. <div><br></div><div><br></div>