On Friday, April 28, the Coastal Acadia Development Corp. will hold a symposium on a vision for Maine’s economic future. Speakers will discuss various aspects of the Maine economy and other economies that might serve as examples. The Irish model for development will be studied. The 8 a.m. to 1 p.m. meeting is being held at the Holiday Inn on High Street in Ellsworth. For reservations or information, call 667-5584, or go online at coastalacadia.org.