mario.calc_Va(va, Xa)

Calculate the Va activity-side value added flows matrix.

\[V_a = v_a\,\operatorname{diag}(X_a)\]

Parameters:

• va (pandas.DataFrame) – Direct value added coefficients, with factors on rows and activity nodes on columns.

• Xa (pandas.DataFrame) – Activity production vector. Its index must match va.columns.

Returns:

Activity-side flows, with the same index and columns as va.

Return type:

pandas.DataFrame