Economists really believe they control business performance (just as lawyers really believe they control the moral behaviour of citizens).
Spreadsheets are a great programming tool for all such beancounters. It is much more difficult to overlook an error in spreadsheet calculations than when, for example, coding in C.
It’s certainly not impossible, however, as recent events have shown.
Today’s invention is a simple macro, like a spellchecker, which would examine all functions which use data in a bank of cells as input.
If the bank has non-zero values in any cells on its immediate periphery, it would issue an alert and automatically outline the cells in question.