Which coin paradox calls for an alternative to be considered if an assessment of the effects of a course of action determines that more negative than positive effects may result?

The coin paradox you're referring to is likely the "Penny Paradox," which suggests that when assessing decisions, if the negative consequences outweigh the positive ones, one should consider alternative actions. This paradox highlights the importance of evaluating potential outcomes comprehensively and encourages decision-makers to seek options that may yield a better balance of effects. Ultimately, it underscores the need for careful consideration of all possible choices before proceeding.