ed the multiplicative sender and receiver effects to be equal (<em>u</em><sub><em>i</em></sub> = <em>v</em><sub><em>i</em></sub>). The AMEN model in its current form does not have this restriction. The current AMEN model first appeared in</p>
<p>Hoff, P.D., Fosdick, B.K., Volfovsky, A. and Stovel, K. (2013) “Likelihoods for fixed rank nomination networks”. Network Science, 1(3):253–277.</p>
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