Immediately after an ice storm brought down power lines throughout the region, hardware stores were sold out of batteries and flashlights. However, within a couple of days, special deliveries brought in extra batteries and flashlights, and everyone who wanted to buy a flashlight or batteries was able to do so. Which of the following principles of economic interaction best describes this scenario?
1. When markets do not achieve efficiency, government intervention can improve overall welfare.
2. All costs are opportunity costs.
3. There are gains from trade.
4. Markets allocate goods effectively.

1. which of the following is true about how your skill set relates to a future career? (1 point) employers like to hire people with only full-time job experience. employers consider subject-specific skills for new positions. skills learned in high school should not be included. skills from part-time jobs and volunteer work may prove beneficial in future jobs. 2. which of the following is a list of broad categories of skills? (1 point) creativity, art and communications, tools and trade, literacy and language, and interpersonal skills english and literacy, tools and trade, mathematics, and creativity interpersonal skills, intrapersonal skills, writing and literacy, tools and trade, and creativity mathematics and data, words and literacy, tools and tasks, interpersonal relationships, and creativity