Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) The use of 2SLS is applicable to simultaneous equations model with at most two equations.
B) Identification of simultaneous equations with three or more equations is based on matrix algebra.
C) 2SLS method used in the estimation of simultaneous equations is an example of a system estimation method.
D) The maximum number of equations permissible for a simultaneous equations model is four.