If total volume, instead of pieces per capita, were displayed on the vertical axis, then the Y-intercepts would remain unchanged but the cost curves would be parallel.
Every axis on this chart would change with one simple data switch.
mnli hypothesis: Every axis on this chart would change with one simple data switch. premise: If total volume, instead of pieces per capita, were displayed on the vertical axis, then the Y-intercepts would remain unchanged but the cost curves would be parallel.