{"args":{"dataset":"d","endog":["anos_estudo"],"instruments":["distancia_escola"],"y":"log_salario"},"checks":[],"datasets":{},"difficulty":"M","id":"dgp.iv_weak.fast","level":"T1","meta":{"description":"Schooling (anos_estudo) confounded with ability; distance to school (distancia_escola) barely shifts it","family":"iv_weak","generator":"iv_continuous","key":"coef.anos_estudo","params":{"beta":0.5,"confounding":1.0,"first_stage":0.03,"n":3000},"reps":50,"seed":1300000,"tier":"fast","truth":0.5},"question":"","requires":[],"runner":"magi_bench.suites.dgp:run_mc","sources":[],"split":"public","suite":"dgp","tags":["fast","monte_carlo","iv_weak"],"target":"tool","tool":"infer.iv_2sls","truth":"first-stage coefficient 0.03: expected F about 2.4; seeds 1300000..1300049, R = 50; truth 0.5"}