Donald W Clements
Biographic Data
| ID | 1473963 |
|---|---|
| NAME | Donald W Clements |
| GIVEN NAMES | Donald W |
| FAMILY NAME | Clements |
| SIGNATURE | CLEMENTS D W |
| AFFILIATIONS | Southern Illinois University Carbondale |
| VERIFIED | No |
| TOTAL WORKS | 2 |
| TOTAL CITATIONS | 1 |
| WORKS AS AUTHOR | 2 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 1977 |
| LATEST PUBLICATION YEAR | 1978 |
| H-INDEX | 1 |
Utility of Linear Models in Retail Geography
Several variables are tested as predictive elements of the retail trade function in rural central places and central places in a metropolitan dominance field. Within a group of western Illinois central places multiple regression models employing population and traffic counts as predictors of retail sales prove to be highly effective. Although an additional variable, distance from metropolis, is included in the multivariate model when applied to a…
Recent Trends in the Geography of Coal
Federal laws enacted in 1969 and 1970 strongly influenced the United States coal industry. The Clean Air Act Amendments of 1970 limited the utility of high-sulfur coals. A consequence has been the loss of some markets for Appalachian and Midcontinent coals and a shift to more desirable low-sulfur varieties. The poor quality but low-sulfur subbituminous and lignite coals of the Western Region are now mined in greater quantities. Long distance deli…
Recent Trends in the Geography of Coal
Federal laws enacted in 1969 and 1970 strongly influenced the United States coal industry. The Clean Air Act Amendments of 1970 limited the utility of high-sulfur coals. A consequence has been the loss of some markets for Appalachian and Midcontinent coals and a shift to more desirable low-sulfur varieties. The poor quality but low-sulfur subbituminous and lignite coals of the Western Region are now mined in greater quantities. Long distance deli…
Recent Trends in the Geography of Coal
Federal laws enacted in 1969 and 1970 strongly influenced the United States coal industry. The Clean Air Act Amendments of 1970 limited the utility of high-sulfur coals. A consequence has been the loss of some markets for Appalachian and Midcontinent coals and a shift to more desirable low-sulfur varieties. The poor quality but low-sulfur subbituminous and lignite coals of the Western Region are now mined in greater quantities. Long distance deli…
Utility of Linear Models in Retail Geography
Several variables are tested as predictive elements of the retail trade function in rural central places and central places in a metropolitan dominance field. Within a group of western Illinois central places multiple regression models employing population and traffic counts as predictors of retail sales prove to be highly effective. Although an additional variable, distance from metropolis, is included in the multivariate model when applied to a…
Geography (2 works) · American Environmental and Regional History (1 work) · Appalachia (1 work) · Archaeology (1 work) · Coal (1 work) · Coal and Its By-products (1 work) · Coal mining (1 work) · Consumer Market Behavior and Pricing (1 work) · Econometrics (1 work) · Economic geography (1 work)