Can anybody suggest the stata code or SPSS code for instrumental variables estimator and Granger causality test?

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Marcos Herrera-Gómez

the commands to applied IV and granger causality test using Stata are: "ivreg" and "vargranger" . I don't know if SPSS can do it.

Muhammad Hasnain Yousaf

an improved version of ivreg by the name of ivreg2 is also available on Stata. Aside from this you can also use reg3 command for 2sls,3sls regressions.