<![CDATA[Shrimp is one of Indonesia's leading aquaculture commodities, with vannamei shrimp (Litopenaeus vannamei) dominating national output and export volume. However, fluctuating shrimp production in Pangkep Regency indicates suboptimal input utilization and technical inefficiency. This study evaluated technical efficiency levels while identifying key drivers of shrimp output and technical inefficiency using Stochastic Frontier Analysis (SFA) with a log-linear Cobb–Douglas specification. Empirical findings demonstrate that shrimp farmers operate with a high mean technical efficiency score of 0.819. Output is significantly affected by fry, feed, labor allocation, saponin, and fertilizer, with fry input emerging as the most sensitive factor. In Addition, technical inefficiency is significantly influenced by farming experience, stocking density, and farmer age. A returns to scale (RTS) value of 1.417 indicates that shrimp farming operates under increasing returns to scale (IRS), signaling substantial opportunities for output expansion. Maintaining rational stocking densities, optimizing input reallocation, and extending technical guidance to older and less experienced producers are recommended.]]>
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