Heat oil in heavy large pot over medium-high heat. Sprinkle beef with salt and pepper. working in batches, add to pot and saute until browned, about 8 minutes per batch. transfer to bowl. add chopped onions,garlic, and herbs to pot; sprinkle with salt and pepper. reduce heat to medium; saute until onions begin to soften, about 5 minutes. add tomato paste and flour; stir 1 minute. add beer; stir until thick and smooth. scraping up browned bits, about 2 minutes. add broth, then beef with any juices; bring to simmer. cover partially, reduce heat to medium-low, and simmer 45 minutes. add carrots. in a seperate small saute pan add butter till melted on medium high heat add pearl onions saute until slightly browned. add to stew.simmer partially covered until beef and carrots are tender, stirring occasionally, about 45 minutes. season with salt and pepper and add chopped parsley.