Correction to: Comput Econ https://doi.org/10.1007/s10614-023-10467-3

Formula (4) in Lucchetti and Pedini (2023) contains a very unfortunate copy-and-paste typo. The formula

$$\begin{aligned} \omega _{i,j} = {\left\{ \begin{array}{ll} \arccos (a_{i,j}) \qquad &{}j = 1;\\ \arccos [a_{i,j}/\prod _{k=1}^{j-1}\sin (\arccos (a_{i,k}))] \qquad &{}2 \le j \le i \le n. \end{array}\right. } \end{aligned}$$

should read

$$\begin{aligned} \omega _{i,j} = {\left\{ \begin{array}{ll} \arccos (a_{i,j}) \qquad &{}j = 1;\\ \arccos [a_{i,j}/\prod _{k=1}^{j-1}\sin (\omega _{i,k})] \qquad &{}2 \le j \le i \le n. \end{array}\right. } \end{aligned}$$

In fact, in the article the formula is referred to as a “recursive rule”, but the original (wrong) expression contains no trace of recursion whatsoever.