Find the indexes of zero-restrictions from the orthogonalized variance-covariance matrix from the JLL-based models
IDXZeroRestrictionsJLLVarCovOrtho(M, N, G, Economies, DomUnit)
restricted version of the JLL of the Cholesky factorization (F x F)
number of country-specific unspanned factors (scalar)
number of country-specific spanned factors (scalar)
number of global unspanned factors (scalar)
Set of economies that are part of the economic system (string-vector)
Name of the economy which is assigned as the dominant unit.
If no dominant unit is assigned, then this variable is defined as "None"