 This paper presents two estimation formulations  for confirmatory and exploratory SEM in path analysis problems where a zero pattern of the estimated path coefficient matrix explains a causality structure of the variables.
<clarity>  This paper presents two estimation formulations  for confirmatory and exploratory SEM in path analysis problems where a zero pattern of the estimated path coefficient matrix explains a causality structure of the variables.
 This paper presents two estimation formulations for confirmatory and exploratory SEM in path analysis problems where a zero pattern of the estimated path coefficient matrix can explain a causality structure of the variables.