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66 | Old Heat CERB Feasibility Study <br />REFERENCES AND METHODOLOGY <br />• 2020 Decennial Census: United States Census Bureau <br />• US Census “Profiles” 2023 Washington: https://data.census.gov/profile/ <br />Washington?g=040XX00US53 <br />• US Census “Profiles” 2023 King County: https://data.census.gov/profile/ <br />King_County, Washington?g=050XX00US53033 <br />• US Census “Profiles” 2023 Kittitas County: https://data.census.gov/profile/ <br />Kittitas_County,_Washington?g=050XX00US53037 <br />• US Census “Profiles” 2023Yakima County: https://data.census.gov/profile/ <br />Yakima_County,_Washington?g=050XX00US53077 <br />• CWU BCS Regional Contribution Continuum (2025): https://www.cwu. <br />edu/about/offices/business-community-services/bcs-regional-contribution- <br />continuum-white-paper-1.0.pdf <br />U.S. Bureau of Economic Analysis: Retrieved 7/23/2025: <br />https://apps.bea.gov/ <br />This feasibility study integrates multiple levels of economic analysis to determine <br />the appropriateness of Old Heat as a commercialization hub for Central <br />Washington. The methods below explain how data were gathered, which <br />industries were selected, and how results were calculated for each section of the <br />study. <br />INTRODUCTION “OLD HEAT COMMERCIALIZATION CENTER” <br />Industries were grouped using the CWU BCS’s (2025) Regional Contribution <br />Continuum (RCC) framework, which classifies firms as Extractive, Retentive, <br />Additive, or Accelerative depending on their net contribution to long-term regional <br />prosperity. This provided the foundation for identifying structural gaps in Kittitas <br />County’s economy. <br />Section A: A product market analysis linked to economic development <br />To assess regional economic position, we compiled and compared data from the <br />Washington State Employment Security Department (median and hourly wages) <br />and the U.S. Census Bureau’s Local Employment Dynamics program. These <br />data allowed comparison of Kittitas County to Yakima County, King County, and <br />the state overall. The analysis focused on median wage levels, educational <br />attainment, and industry employment structure. <br />SECTION C: TARGETED INDUSTRIES <br />Industries were selected based on three criteria: <br />1. Wage and Skill Intensity – industries with compensation significantly <br />above Kittitas County’s median wage; <br />2. Alignment with State and National Clusters – sectors such as <br />aerospace, ag-tech, and advanced materials where Washington already <br />has comparative advantages; and <br />3. Compatibility with CWU and Local Capabilities – fit with university <br />STEM programs, applied research, and nearby supply chain assets. <br />Industry data were drawn from the U.S. Census Annual Survey of Manufactures <br />and BEA input-output tables. NAICS codes used included 336412 (Aircraft <br />Engine and Engine Parts), 336413 (Other Aircraft Parts and Auxiliary Equipment), <br />and 333111 (Agricultural Machinery). Import penetration ratios and supply chain <br />gaps were identified by comparing U.S. shipment values with import values, <br />highlighting opportunities for reshoring and regional capture. <br />SECTION H: DIVERSIFICATION AND ECONOMIC IMPACT <br />Economic concentration and diversification were measured using two standard <br />indexes: the Normalized Shannon–Weaver Index (to capture breadth of <br />industries) and the Herfindahl–Hirschman Index (HHI, to capture employment <br />concentration). County-level employment data were sourced from Washington <br />State ESD and the U.S. Census. To model industry-level economic impacts, <br />IMPLAN input-output modeling software was applied to simulate the direct, <br />indirect, and induced effects of introducing new aerospace and agricultural <br />machinery activities into Kittitas County. This produced estimates of employment <br />multipliers, output per worker, and secondary spending effects. <br />SECTION N: WAGE ESTIMATION <br />Wage levels for targeted industries were calculated using a combination <br />of IMPLAN industry tables and Bureau of Labor Statistics Occupational <br />SOURCES