MARKET RUNS EFFICIENTLY WHEN ONE LARGE FIRM SUPPLIES ALL OF OUTPUT

SO WE DONT WASTE RESOURCES, BUILDINGS WHEN ONLY ONE IS NEEDED

CONTROL PRICES IT CAN CHARGE AND WHAT SERVICES IT PROVIDES

PUBLIC WATER B/C THEY WOULD USE MORE LAND & WATER THAN NECESSARY

ELECTRICITY GRID B/C THEIR WOULD BE TOO MANY POWER LINES

BY CUTTING FIXED COST AND MAKE SMALL COMPANIES AS EFFICIENT AS ONE