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Thank you. I will keep my questions venue-specific.

John,

Thank you for debunking the rumor of orthogonality and unbiased betas and laying out the econometric theory behind it. Practically speaking, should I interpret this to mean that an efficient design is appropriate here? Based on my current knowledge, orthogonality is not important to me for ...

Hello. Having conducted mostly marketing DCE's in the past, I am designing my first one for environmental valuation. Here is the design syntax I have developed to start out, based upon my reading of literature, Ngene documentation, and this forum:
Design
;alts = alt1*, sq*
;rows = 24
;eff = (mnl,d ...