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Dr. Jonathan Dan D. Ritschel

Associate Professor of Systems Integration and Cost Analysis

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Contact:
Comm: 937-646-4664
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Education

BBA - Accountancy: University of Notre Dame

MS - Cost Analysis: Air Force Institute of Technology

PhD - Economics: George Mason University

Awards

  • Graduate School of Engineering & Management: Dean's Distinguished Teaching Professor, 2021
  • Faculty Scholar of the Year, Department of Systems Engineering & Management, AFIT, 2014
  • Southern Ohio Council for Higher Education (SOCHE) Faculty Excellence in Teaching, 2014
  • Teacher of the Year, Department of Systems Engineering & Management, AFIT, 2013
  • Teacher of the Year, Department of Systems Engineering & Management, AFIT, 2012
  • 2017: DoD Financial Management Certification, Level 3
  • 2015: Business - Cost Estimating, APDP, Level 3
  • 2005: Business - Financial Management, APDP, Level 2
  • 2003: Certified Cost Estimator/Analyst (CCE/A), SCEA

Publications

 

  1. #Long, D., +Drylie, S.T., Ritschel, J.D., and +Koschnick, C.M. (2024). “An Assessment of Rules of Thumb for Software Phase Management, and the Relationship between Phase Effort and Schedule Success,” IEEE Transactions on Software Engineering, 50(2): 209- 219. DOI:10.1109/TSE.2023.3339383
  2. #Moore, J.S. IV, +Lucas, B.M., +Fass, R.D., Ritschel, J.D., and +Papia, V.J. (2023). “Lessons Learned from Cloud One Migration,” Crosstalk: The Journal of Defense Software Engineering, November, 36-45.
  3. *Ahern, C.J., Ritschel, J.D., +White, E.D., +Lucas, B.M., +Fass, R.D. and +Valentine, S.M. (2023). “Should a Production Rate Variable be Included in Military Aircraft Learning Curves? Empirical Evidence from the United States Air Force,” Journal of Defense Resources Management, 14(2): 45-56.
  4. #Jones, S.J., +White, E.D., Ritschel, J.D., and +Valentine, S.M. (2023). “Cost Estimation Trends for Major Defense Acquisition Programs,” Defense Acquisition Research Journal, 30(2): 96-123. https://doi.org/10.22594/dau.22-894.30.0
  5. +Berg, H., and Ritschel, J.D. (2023). “The Characteristics of Successful Military IT Projects: A Cross-Country Empirical Study,” International Journal of Information Systems and Project Management, 11(2): 25-44. DOI: 10.12821/ijispm110202
  6. #Rojo, K.M., +White, E.D., +Lucas, B.M., Ritschel, J.D. and +Valentine, S.M. (2023). “Cost Estimating Relationships for Recurring T100 Flyaway Costs,” Journal of Cost Analysis and Parametrics, 11(1): 24-36.
  7. #Jones, S.J., +White, E.D., Ritschel, J.D., and +Valentine, S.M. (2023). “Schedule and Cost Estimations Through the Decades: Are They Improving?” Journal of Cost Analysis and Parametrics, 11(1): 57-69.
  8. *Kline, S.A., Ritschel, J.D., and +Fass, R.D. (2022). “Social Media, Public Opinion, and Resource Implications for the United States Air Force,” Journal of Defense Resources Management, 13(2): 35-54.
  9. *Moore, S.L., Ritschel, J.D., +White, E.D., +Koschnick, C.M., +Lucas, B.M., and +Valentine, S.M. (2022). “Step-Down Functions in Airframe Learning Curves: Do They Exist?” Journal of Cost Analysis and Parametrics, 10(3): 32-43.
  10. #Weaver, B.C., +Koschnick, C.M., Ritschel, J.D., and +White E.D. (2022). “Financial Ratio Relationship to Defense Contract Cost Overruns,” Journal of Contract Management, Vol. 17 (Fall): 40-55.
  11. #Erneston, C.G., +Fass, R.D., Ritschel, J.D., and +Cox, A.M. (2022). “A Preliminary Analysis of the Costs and Benefits of Physical Therapy and Strength Training for Fighter Pilots,” Aerospace Medicine and Human Performance, 93(8): 637-642.
  12. *Goljan, J., Ritschel, J.D., +Drylie, S.T., and +White, E.D. (2022). “Software Estimating in an Agile Environment,” Journal of Cost Analysis and Parametrics, 10(2): 35-53.
  13. #Miller, K.M., +White, E.D., Ritschel, J.D., +Fass, R.D., and +Drylie S.T. (2022). “Empirical Investigation of Economic Change Order Percentages in Defense Contracts,” Journal of Cost Analysis and Parametrics, 10(2): 76-90.
  14. *Reese, J.N., Ritschel, J.D., +Langhals, B.T., and +Engle, R. (2021). “Integrating Cost as a Decision Variable in Wargames,” Air and Space Power Journal, 35(4): 35-46.
  15. *Goljan, J., Ritschel, J.D., +Drylie, S.T., and +White, E.D. (2021). “Cost of Delay: A Framework for Air Force Software Factories,” Air and Space Power Journal, 35(4): 47-57.
  16. *Plack, E.A., Ritschel, J.D., +White, E.D., +Koschnick, C.M., and +Drylie, S.T. (2021). “Exploring Performance in Air Force Science and Technology Programs,” Defense Acquisition Research Journal, 28(4): 420-451.  DOI: https://doi.org/10.22594/10.22594/dau.20-863.28.04
  17. #Myers, B.S., +White, E.D., Ritschel, J.D., and +Fass, R.D. (2021).  “Quantifying the Effects of Aircraft Engine Upgrades on Operating and Support Costs,” Defense Acquisition Research Journal, 28(3): 320-343. DOI: https://doi.org/10.22594/10.22594/dau.20-862.28.03
  18. *Markman, M.R., Ritschel, J.D., and +White, E.D. (2021).  “Use of Factors in Development Estimates: Improving the Cost Analyst Toolkit,” Defense Acquisition Research Journal, 28(1): 40-70. DOI: https:// doi.org/10.22594/10.22594/dau.19-848.28.01
  19. #Boone, E.R., +Elshaw, J.J., +Koschnick, C.M., Ritschel, J.D. and +Badiru, A.B. (2021). “A Learning Curve Model Accounting for the Flattening Effect in Production Cycles,” Defense Acquisition Research Journal, 28(1): 72-97. DOI: https://doi.org/10.22594/10.22594/dau.20-850.28.01
  20. *Enos, T.A., Ritschel, J.D., +White, E.D., and +Drylie, S.T. (2020). “Improving Economic Price Adjustment Clauses in Air Force Contracts,” Journal of Contract Management, Vol. 15 (Fall): 63-72.
  21. #Hogan, D.W., +Elshaw, J.J., +Koschnick, C.M., Ritschel, J.D., +Badiru, A.B. and Valentine, S.M. (2020). “Cost Estimating Using a New Learning Curve Theory for Non-Constant Production Rates,” Forecasting, 2(4): 429-451. DOI: https://doi.org/10.3390/forecast2040023
  22. #Angell, E.E., +White, E.D., Ritschel, J.D. and +Thal, A.E. (2020). “Analysis of Military Construction Cost Growth in USAF Major Defense Acquisition Programs,” Defense Acquisition Research Journal, 27(2): 168-193. DOI: https://doi.org/10.22594/dau.19-840.27.02
  23. #Brown, M.J., +Fass, R.D., and Ritschel, J.D. (2019). “A Case for Open Mission Systems in DOD Aircraft Avionics,” Air and Space Power Journal, 33(4): 83-93.
  24. #Elworth, C.J., +White, E.D., Ritschel, J.D., and +Brown, G.E. (2019). “Air Force Space Programs: Comparing Estimates to Final Development Budgets,” Defense Acquisition Research Journal, 26(4): 348-379. DOI: https://doi.org/10.22594/dau.19-828.26.04
  25. #Kim, D.B., +White, E.D., Ritschel, J.D., and +Millette, C.A. (2019). “Reliability of Estimates at Completion for Department of Defense Contracts,” Journal of Public Procurement, 19(3): 186-200. DOI: https://doi.org/10.1108/JOPP-02-2018-0006
  26. Ritschel, J.D., +Ritschel, T.L., and +York, N. (2019). “Providing a Piece of the Puzzle: Insights into the Aircraft Availability Conundrum,” Journal of Defense Analytics and Logistics, 3(1): 29-40. DOI: https://doi.org/10.1108/JDAL-09-2018-0015
  27. Ritschel, J.D.,+ Lucas, B.M., +White, E.D., and +Mrla, D. (2019). “The Impact of WSARA on the Cost of Air Force Weapon Systems,” Journal of Public Procurement, 19(1): 2-14.                              DOI: https://doi.org/10.1108/JOPP-03-2019-022
  28. *O’Hanlon, G.B., Ritschel, J.D., +White, E.D., and +Brown, G.E. (2018). “Delineating Operating and Support Costs in Aircraft Platforms,” Defense Acquisition Research Journal, 25(3): 264-287.    DOI: https://doi.org/10.22594/dau.18-801.25.03
  29. *McGowin, A.L., Ritschel, J.D., +Fass, R.D. and +Boehmke, B. (2018). “A Text Mining Analysis of Acquisition Reforms and Expert Views,” Defense Acquisition Research Journal, 25(3): 288-323. DOI: https://doi.org/10.22594/dau.18-802.25.03
  30. #Bunecke, K., *White, E.D., Ritschel, J.D., and *Bush, B.A. (2018). “Evaluating Annual Fixed Wing Maintenance Costs,” Defense Acquisition Research Journal, 25(3): 244-263.                               DOI: https://doi.org/10.22594/dau.18-797.25.03
  31. *Hewitson, S., Ritschel, J.D., +White, E.D. and +Brown, G.E. (2018). “Analyzing Operating and Support Costs for Air Force Aircraft,” Journal of Defense Analytics and Logistics 2(1): 38-54.   DOI: https://doi.org/10.1108/JDAL-03-2018-0006
  32. #Ellis, J., +White, E.D., Ritschel, J.D., +Valentine, S., +Lucas, B.M., and +Cordell, I. (2018). “Likelihood and Cost Impact of Engineering Change Requirements for DoD Contracts,” Journal of Defense Analytics and Logistics 2(1): 22-37. DOI: https://doi.org/10.1108/JDAL-02-2018-0002
  33. +Douglas, M.A., and Ritschel, J.D. (2018). “Air advising in Afghanistan: Building an Organization in Flight,” Air and Space Power Journal, 32(3): 85-91.
  34. #D’Amico, C.N., +White, E.D., Ritschel, J.D., and +Kozlak, S.J. (2018) “Unmasking Cost Growth Behavior: A Longitudinal Study,” Defense Acquisition Research Journal, 25(1): 30-51.              DOI: https://doi.org/10.22594/dau.17-783.25.01
  35. #Trudelle, R.C., +White, E.D., Ritschel, J.D., +Koschnick, C.M., and +Lucas, B.M. (2017). “Modeling Median Will-Cost Estimates for Defense Acquisition Programs,” Journal of Defense Analytics and Logistics, 1(1): 19-33.  DOI: https://doi.org/10.1108/JDAL-04-2017-0004
  36. #Trudelle, R.C., +White, E.D., +Koschnick, C.M., Ritschel, J.D., and +Lucas, B.M. (2017).  “Estimating the Likelihood of a Defense Acquisition Program Staying within Cost and Schedule Bounds,” Defense Acquisition Research Journal, 24(4): 600-625.  DOI: https://doi.org/10.22594/dau.17-775.24.04
  37. Ritschel, J.D., and +Ritschel, T.L. (2017). “Improving Resource Management in the Afghan Air Force,” Air and Space Power Journal, 31(2): 4-16.
  38. *Gardner, N.R., Ritschel, J.D., +White, E.D., and +Wallen, A.T. (2017). “Forecasting Foreign Exchange Rates for Department of Defense Budgeting,” Journal of Public Procurement, 17(3), 315-336.  DOI: https://doi.org/10.1108/JOPP-17-03-2017-B002
  39. #Kozlak, S.J., +White, E.D., Ritschel, J.D., +Lucas, B.M., and +Seibel, J.M. (2017). “Analyzing Cost Growth at Program Reviews for DoD Aircraft,” Defense Acquisition Research Journal, 24(3), 386-407.  DOI: https://doi.org/10.22594/dau.16-763.24.03
  40. Ritschel, J.D., and +Ritschel, T.L. (2016). “Organic or Contract Support? Investigating Cost and Performance in Aircraft Sustainment,” Journal of Transportation Management, 26(2): 47-58.     DOI: https://doi.org/10.22237/jotm/1451606640
  41. #Jimenez, C.A., +White, E.D., +Brown, G.E., Ritschel, J.D., +Lucas, B.M., and +Seibel, M.J. (2016). “Using Pre-Milestone B Data to Predict Schedule Duration for Defense Acquisition Programs,” Journal of Cost Analysis and Parametrics, 9(2), 112-126.                                                             DOI: https://doi.org/10.1080/1941658X.2016.1201024
  42. #Smith, N.C., +White, E.D., Ritschel, J.D., and +Thal Jr., A.E. (2016). “Counteracting Harmful Incentives in DoD Acquisition Through Test and Evaluation and Oversight,” ITEA: Journal of Test and Evaluation, 37: 218-226.
  43. *Petter, J.L., Ritschel, J.D. and +White, E.D. (2015).  “Stability Properties in Department of Defense Contracts: Answering the Controversy,” Journal of Public Procurement, 15(3), 341-364.           DOI: https://doi.org/10.1108/JOPP-15-03-2015-B004
  44. #Brown, G.E., +White, E.D., Ritschel, J.D., and +Seibel, M.J. (2015). “Time Phasing Aircraft R&D Using the Weibull and Beta Distribution,” Journal of Cost Analysis and Parametrics, 8(3), 150-164.  DOI: https://doi.org/10.1080/1941658X.2015.1096219
  45. #Moore, J.M., +Elshaw, J.J., +Badiru, A.B., and Ritschel, J.D. (2015).  “Acquisition Challenge: The Importance of Incompressibility in Comparing Learning Curve Models,” Defense Acquisition Research Journal, 22(4), 416-449.
  46. *Bridgeforth, S.M., Ritschel, J.D., +White, E.D., and +Keaton, C.G. (2015). “Using Earned Value Data to Forecast the Duration of Department of Defense Space Acquisition Programs,” Journal of Cost Analysis and Parametrics, 8(2), 92-107.  DOI: https://doi.org/10.1080/1941658X.2015.1062817
  47. #DeNeve, A.J., +Ryan, E.T., Ritschel, J.D. and +Schubert-Kabban, C.  (2015). “Taming the Hurricane of Acquisition Cost Growth – Or At Least Predicting It,” Defense Acquisition Research Journal, 22(1), 84-105.  DOI:
  48. #Mitchell, T.D., +White, E.D. and Ritschel, J.D. (2014). “Investigating the Correlation of the U.S. Air Force Physical Fitness Test to Combat-Based Fitness: A Women-Only Study,” Military Medicine 179(6), 653-658.  DOI: https://doi.org/10.7205/MILMED-D-13-00445
  49. *Crumrine, K.T., Ritschel, J.D., and +White, E.D. (2014). “Earned Schedule 10 Years Later: Analyzing Military Programs,” Crosstalk: The Journal of Defense Software Engineering, March/April, 30-33.
  50. #Jones, G.L., +White, E.D., +Ryan, E.T., and Ritschel, J.D. (2014).  “Investigation into the Ratio of Operating and Support Costs to Life-Cycle Costs for DoD Weapon Systems,” Defense Acquisition Research Journal, 21(1), 442-464.
  51. #Ochs, K.S., +Miller, M.E., +Thal, A.E., and Ritschel, J.D. (2014) “Proposed Method for Analyzing Infrastructure Investment Decisions Involving Rapidly Evolving Technology:  Case Study in LED Streetlights,” Journal of Management in Engineering, 30(1), 41-49.                                             DOI: https://doi.org/10.1061/(ASCE)ME.1943-5479.0000177
  52. Ritschel, J.D. (2013).  “Impact of Political-Economy Variables on Cost Growth in Military Weapon System Contracts,” Journal of Public Procurement, 13(4), 516-538.                                              DOI: https://doi.org/10.1108/JOPP-13-04-2013-B004
  53. #Ryan, E.T., +Schubert, C.M., +Jacques, D.R., and Ritschel, J.D. (2013). “A Macro-Stochastic Model for Improving the Accuracy of Life Cycle Cost Estimates,” Journal of Cost Analysis and Parametrics, 6: 43-74. DOI: https://doi.org/10.1080/1941658X.2013.767073
  54. #Ryan, E.T., +Jacques, D.R., Ritschel, J.D. and +Schubert, C.M. (2013). “Characterizing the Accuracy of DoD Operating and Support Cost Estimates,” Journal of Public Procurement, 13(1), 103-132.  DOI: https://doi.org/10.1108/JOPP-13-01-2013-B004
  55. Ritschel, J.D. (2012).  “Efficacy of U.S. Legislation in Military Acquisition Programs: Nunn-McCurdy Act Unveiled,” Economic Papers: A journal of applied economics and policy, 31: 491-500.  DOI: https://doi.org/10.1111/1759-3441.12000
  56. Ritschel, J.D., +Greiner, M.A., +Reynolds, D.E., and +Seibel, M.J. (2003).  “Flyaway Costs Versus Individual Components of Aircraft: An Analysis,” AF Journal of Logistics, 27(4), 30-37.
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