In David Kahn's great non-fiction historical Tome, "Hitler's Spies; German military intelligence during World War II".. the Abwehr is.. apocalips.. apocalips.. apocalips.... (is Krypton.. the OKW/ Chi.. radio transmission-network.. on Earth..?...)... (.. heteroskedasticity.. $1... multicollinearity.. $1.. $2... stochastic disturbance terms.. $3... Cobb-Douglas Function.. $5.... explanatory and dependanty variables.. $6.. $12.... covariance matrices.. $4.... least-squares estimaters; maximum-likelihood estimaters.. $7.. $8.... $9.... Gauss-Markov Theorum.. $10... )... .. .. ... endogenous and exogenous variables.. $`