In same pan, heat oil over medium-high heat. Add carrots, onion, garlic and poblano chile; cook 3 minutes, stirring constantly. Stir in tomato paste; cook until slightly darkened, about 1 minute. Add cooked beef, the beans, corn, chili powder, broth, salt and pepper. Reduce heat to medium. Simmer uncovered 10 minutes, stirring occasionally, until vegetables are tender.