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MRIO: Size of Your Impact – Questions & Concerns about Small vs. Large Study Regions

Introduction Larger study areas tend to reflect larger impacts, because larger geographies typically capture more production as ‘local’ and are subject to less in-commuting. However, analysts are occasionally surprised to find that the economy of a smaller subset region, such as a county, reflects a greater Indirect and Induced impact than that of the larger […]

MRIO: Considerations when using Multi-Regional Input-Output Analysis

Building your Economic Analysis with multiple regions utilizing MRIO (Multi Regional Input/Output) enhances your study. That is, MRIO demonstrates how an impact in your Study Area disperses into other regions and allows you to see how these effects in surrounding areas create additional local effects. For each Industry, MRIO not only tracks the imports from […]

MRIO: Introduction to Multi-Regional Input-Output Analysis

INTRODUCTION: Multi-Regional Input-Output (MRIO) analysis makes it possible to track how an impact on any of the 536 IMPLAN sectors in a Study Area region affect the production of all 536 sectors and household spending in any other region in the US (state to state, county to county, zip code to zip code, county to […]

Generation and Interpretation of IMPLAN’s Tax Impact Report

Generation and Interpretation of IMPLAN’s Tax Impact Report     FILTERING: To filter by Direct, Indirect, and Induced taxes in IMPLAN, simply open the Filter window and click into the “Impact” Filter. This will provide you the option of “Direct”, “Indirect”, “Induced”. Making a selection and clicking “Run” will apply the filter and only show […]

Local Purchase Percentage (LPP) & Regional Purchasing Coefficients (RPC)

INTRODUCTION: Local Purchase Percentage (LPP) and Regional Purchasing Coefficients (RPC) are two of the most frequently misused and misunderstood fields in IMPLAN. This article describes what these concepts mean and when they should be changed from the default settings.   LPP IN INDUSTRY EVENTS: Local Purchasing Percentages (LPP) indicates to the software how much the […]


Why can I not Margin Sectors I once was able to apply Margins to? The only marginable industries are Retail and Wholesale sectors.  You’ll no longer be able to margin non-retail/wholesale industries because the margins that were being used were simply for the industry’s margin on its “primary commodity”. This change is to ensure more […]

The Curious Case of the Negative Tax: Agriculture Subsidies, Profit Losses, and Government Assistance Programs

INTRODUCTION: One of the most frequent questions we get at IMPLAN is “Why am I seeing negative taxes in my impact?”  Good news, there are reasons that this happens. This article breaks down how to find those negative figures and why they are there.  AGRICULTURE SECTORS: The agriculture Sectors in IMPLAN see significant amounts of […]

Economic Impact, Economic Contribution, and Export Base

Introduction The purpose of this paper is to clarify the differences between three commonly confused terms and methods in the more general realm of input-output (I-O) analysis: economic impact analysis, economic contribution analysis, and gross-base analysis.  While each of the three types of analyses has a distinct purpose and method, they all rely on data […]