It appears so, and it could be costly : A 10-day UPS strike would be the most expensive strike in at least a century, costing the U.S. economy upwards of $7 billion, a study by the consulting firm Anderson Economic Group found, including $4.6 billion in losses for customers, $1 billion in lost wages and more than $800 million in direct losses at UPS. If this happens, can any other company compensate? Well: "In the event of a market disruption, no carrier can absorb all UPS volume," FedEx executives wrote in an internal company memo, according to NPR . What should we watch for? The UPS workers’ contract will expire on July 31 and 97% of union members have voted to authorize a strike if warranted, even after an agreement was reached over hot-button issues like installing air conditioning in delivery trucks amid the warmest June on record . In the end, threatening to shut things down seems to be the only option left to get the employers to the negotiation table to begin to